人教版小学数学三年级下册口算练习题(全套)

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新人教版三年级下册数学口算专项练习(9套)

2、400减去170与80的和，差是多少？
第2页
练习二
一、估算
890÷9≈459÷50≈417÷60≈351÷5≈
65×11≈76×11≈27×19≈45×19≈
53×21≈84×21≈38×21≈35×21≈
二、笔算
508÷2＝36×19＝19×47＝900÷5＝
23×34＝392÷4＝360×5＝809÷8＝
54×63＝25×38＝370÷5＝774÷8＝
三、脱试计算
683＋258－383359＋432－18981－81÷9
550＋45×9838－（138＋275）96×4＋80
第3页
四、列式计算
3、748与116的和是8的多少倍？4、25乘5除225的商，积是多少？
5、25与47的和乘98，积是多少？6、175与49的和除以4，商是多少？
少盆？
3、小明家养鸡275头大牛，比小牛头数的5倍多25头，小牛有多少头？
五、列式计算
1、195除以32减去27的差，2、一个数是58，另一个数是它的12
商是多少？这个数是多少？
3、16与24的和除以8，4、400减去170与80的和，
商是多少？差是多少？
第6页
练习四
一、口算
6000＋3096＝15＋3＋7＝439＋46=56.4－2.8=
6.5+4.7=1.2-0.3=4.6+2.4=3.8+6.6=
二、估算。
238÷6≈876÷3≈417÷6≈753÷5≈
89×30≈32×48≈43×22≈52×68≈
二、笔算并验算
696÷2＝882÷4＝809÷8＝56×79计算。
（450－175）÷5268+29×65315－345÷3

三年级下册数学口算题(3000道)30

小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-10-19姓名：___________ 座号：__________ 情况：___________。

三年级数学下册口算练习3000题(附打印版)

小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________小学数学计算练习 2024-11-06姓名：___________ 座号：__________ 情况：___________。

(完整版)人教版小学数学三年级下册口算题卡[全套]

小学数学三年级下册口算题卡400 >7= 80> 6= 90>7= 440 >8= 6> 300= 50>5= 600 >7= 600>8= 200> 2= 80X5= 700>6= 4> 700= 200 >6= 80> 2= 70>9= 100>8= 56>7~50>5= 60>2= 40> 7= 5> 500= 300>6= 80> 3= 200> 5= 500>8= 70> 7= 20>8 = 400>6= 300>7= 45 >9 〜100>5= 500>6= 500> 7= 40> 6= 36 >9 〜100> 2= 20>3= 400>8= 80>8= 80> 9= 300>5= 400> 3=小学数学三年级下册口算题卡60X5= 60X3= 40X7= 70X3= 300X5= 200X3=90X7= 800X5= 36 X9〜200X4= 400X5= 54 X8〜50X5= 40X2= 300X6=60X9= 50X5= 600X6=6000X2= 80X6= 9X500=200X5= 4X500= 30 X3=300 X4= 200X9= 6X900=200X 7= 5X300= 200X6= 1000X 7= 400X5= 300 X8=100X5= 80X9= 4X600 =700X6= 3X500= 3X400=小学数学三年级下册口算题卡70－32= 44 - 4= 14＋62= 72 - 8= 300x 3= 51－37= 9X 300= 5x 200= 800x 8= 38＋57= 76－64= 6x 40= 500 x 8= 25＋49= 48－15= 70－23= 2x 200= 68－59= 60x 2= 6x 600= 37＋55= 72－8= 63－25= 93 - 8= 3x 80= 200x 3= 800x 5= 32＋57= 4x 200= 45 - 5= 600x 4= 26＋56= 58＋27= 32＋57= 45＋18= 70－17= 900x 4= 23x3= 36－25=小学数学三年级下册口算题卡38＋57= 82 - 9= 29＋24= 57＋34= 200> 3= 60> 3= 24＋39= 48－25= 74 - 8= 15＋60= 3> 900= 55＋38= 27＋58= 2> 200= 14＋68= 37＋25= 84 - 9= 17＋62= 300>5= 76－68= 25＋57= 400 >2二38 - 4= 32＋68= 54＋18= 36 —5= 800> 6= 16＋70= 500>8= 94－48= 90> 3= 76 - 8= 23－16= 66 - 7= 30> 2= 86－48= 35＋18= 62＋30= 4> 12=小学数学三年级下册口算题卡80 - 4=600-5= 2000-2= 300- 6 =200-4= 4000-2= 200 - 5= 360 - 9= 4000-5= 30- 3= 400-2= 3000-4= 60- 6= 50 - 5= 60 - 3= 120-4= 90 - 9= 40- 5= 80- 8= 700-7= 60- 2= 70- 7= 300-3= 400- 8= 8000- 4= 2000- 5= 100- 2= 300 —5= 40 - 2= 90- 3= 450 - 5= 300—5= 800- 2= 400 - 5= 40 - 4= 800- 5= 500 - 5= 80 - 2= 300- 4=小学数学三年级下册口算题卡560-8= 350-7= 50 - 5= 630-9= 150-3= 60 - 3= 160-8= 720-8= 80 - 2= 120-3= 240 - 8= 240- 8= 420-7= 40 - 4= 240- 6= 640 - 8= 320-8= 40 - 2= 60 - 6= 80 - 8= 210- 3= 180-2= 80 - 4= 80 - 8= 150-3= 360 - 4= 30 - 3= 200-5= 540 - 9= 270- 9= 350-5= 140-2= 250- 5= 810-9= 400-8= 180- 3=小学数学三年级下册口算题卡120-6= 540—6= 450—9= 20-2= 180—6= 450—5= 300—5= 90—3= 400—5= 210-7= 250—5= 360—6= 120—4= 480—6= 180—3= 160—2= 80—8= 630—9= 50—5= 320—4= 120—2= 60—2= 300—6= 40—2= 280—7= 70—7= 280—4= 350—5= 360—6= 300—2= 30—3= 80—4= 200—4=小学数学三年级下册口算题卡720 - 9= 180-6= 270- 3= 480 - 6= 560 - 8= 360- 9= 90- 9= 240 - 4= 250- 5= 400 - 8= 450-9= 350- 7= 280 - 7= 100-5= 90 - 3= 200 - 4= 180-9= 320- 4= 560 - 8= 80 - 8= 350- 5= 540 - 6= 60 - 6= 80 - 4= 160-8= 400-5= 40 - 2= 150-3= 420-6= 60 - 2= 240 - 8= 240 - 3= 50 - 5= 200 - 5= 270-9= 810- 9= 100-2= 70 - 7= 210- 7= 160-2= 120-4= 300—5=小学数学三年级下册口算题卡80 - 4= 450-9= 150-5= 210-3= 350-7= 300—5= 420-6= 480-6= 60- 6= 180-9= 630-7= 180-2= 60 - 3= 250-5= 240-6= 320-8= 200-5= 540 - 6= 90 - 9= 360-6= 640 - 8= 200-4= 120-6= 240-3= 120-3= 450-5= 280-4= 90 - 3= 80- 8= 280-7= 160-4= 160-2= 150-3= 210-7= 490-7= 160-8=小学数学三年级下册口算题卡3X 15= 19x 2= 58x 5= 23 x 4= 15x 6= 1x66= 98 x 6= 78x 4= 9x 37= 7x 68= 17x 5= 19x 5= 19x 3= 4x 20= 63x 4= 4x 24= 82x 3= 4x 44= 7x 53= 75x 2= 43x 5= 10x 5= 5x 18= 3x 72= 9x 72= 3x 91= 5x 99= 6x 38= 5x 66= 8x 40= 8x 43= 4x 13= 5x 62= 0x 48= 7x 59= 9x 53= 28x 2= 13x 6= 86x 9= 8x 64= 7x 36= 12x 4=小学数学三年级下册口算题卡15X 6= 37X 7= 87X 9= 16X 3= 72X 6= 3X 83= 6X 73= 8X 90= 2X 85= 7X 61 = 21 X 4= 9X 70= 6X 55= 2X 78= 95X 6= 5X 52= 41 X 8= 87X 2= 62 X 6= 26X 3= 60X 5= 6X 25= 4X 11= 54X 7= 11 X 7= 43X 0= 3X 81= 93X 7= 9X 96= 14X 4= 4X 70=74X 6=9X 88= 93X 3= 32X 8=4X 54=小学数学三年级下册口算题卡100x60= 40x 200= 20x 900= 300x20= 50x 60= 80x 300= 80x 700= 30x 300= 400x 30= 5x 400= 40x 20= 90x 700= 60x 100= 20x 200= 300x 30= 20x 600= 60x 300= 20x 300= 200x 8= 30x 100= 600x 40= 600x 10= 500x 30= 400x 50 = 20x 400= 90x 200= 80x 200= 70x 100= 70x 600= 40x 90= 80x 200= 400x 80= 60x 400=小学数学三年级下册口算题卡63X 40= 37x 50= 13x 90= 80X 83= 32x 70= 72x 20= 82 x 90= 200x 29= 26x 30= 700 x 11 = 50x 36= 70x 23= 50x 53= 61x 80= 50x 86= 400x 22= 500x 18= 60x 25= 90x 38= 45x 70= 28x 50= 79x 20= 8x 50= 41 x 40= 56x 70= 83x 40= 77x 20= 23x 40= 30x 35= 43x 80=小学数学三年级下册口算题卡400-8= 220-2= 9X 50= 480-4 120X 2= 12X 5= 280-4= 580-2= 50 —6=400-4= 800-2=550 + 5 =480-6= 6X 50= 360 + 6= 350-5= 40X 20= 480 + 8= 70 X 7= 960-3= 420 + 7= 700-7= 810-9=12X 20= 360 - 3= 700-7= 33－28= 600-6= 3X 20= 500－50=小学数学三年级下册口算题卡78＋41= 0X 22= 64 - 16= 450-9= 72+ 18= 102+ 20= 5X 8+ 8二40 X 50=58+ 15= 880＋20= 20X 50=12X 60= 88 - 9= 70- 2 =450X 0= 17-5= 630-7= 77- 7= 53+ 17= 630-3= 300-6= 200-4= 70－7= 490-7= 300 X 7= 450+ 50= 65X 10= 5X 3+ 8二12X 6= 64 - 7=小学数学三年级下册口算题卡28+ 68=450—9=300—3= 580+ 20 =32—8=800—4= 300—5 =6X 90=160—4= 400-8= 300－80= 40—6= 8X 9 + 9二560－200= 360－90= 63—8= 3X 2+ 9= 29—5= 88+ 21= 5X 7 + 4二30—6= 37－18= 120X 4= 6X120= 72—6=7—2= 480+ 70= 460—2= 300—6= 55—5=小学数学三年级下册口算题卡217毫米＋25 毫米= 63- 7=1 吨－400 千克=69＋22=1 千克－500 克=560＋40= 5000克－4 千克= 600－267=2000米＋8000 米= 1000－465=75分米－30 分米=32 - 5= 50－38= 46 - 7= 90－26= 29-3= 120-80=38-6= 300－30= 38-9= 420－150= 23-5= 7X 8= 45-6= 900＋100= 53- 7= 36 - 6= 62 - 7=小学数学三年级下册口算题卡2000＋800= 53- 7=小学数学三年级下册口算题卡58-9=30＋180= 8 千米 =（）米 98－80= 3 米=（）厘米 5X 8= 4 厘米 =（）毫米 77＋13= 7000 千克=（）吨 53 - 9= 40 分米 =（）米 32 - 8= 2 时=（）分 64 - 7= 30 厘米 =（）分米 940－372= 5 千米 =（）米 238＋79= 30 X 3= 60 - 8= 20＋75= 50 - 6= 280＋50= 250＋284= 130－70= 500－249= 7X 5= 237＋663= 72 - 9=48＋75=小学数学三年级下册口算题卡58+ 23= 3 - 1 9 — 5+ 5=26+ 524= 4 4丄+24 428- 6=21-3= 5 - 3 1-丄100-40=8 821- 12 6 5 17-5= 772000+ 600= 1- 1307— 49=40-6= 5 1 1360 X 7= 73-9= 丄+ 13 3 65 + 8= 65- 7= 1-- •6800 X 7= 700 - 537=5 - 4 25 X 4=2 3 9 9“ 8+ -6 6 4X 6+ 3= 9丄+3210+ 450=83 — 9= 8 82 5270—80= 999 X 0=7 7 13+ 3 -7= 28 X 3=4 5-+ -9949- 7= 1+ 38 X 800=小学数学三年级下册口算题卡4 4小学数学三年级下册口算题卡95－48= 50X 9= 37＋46= 28-6= 140＋80= 78＋22= 7X 8+6= 75－20= 99＋66= 49 X 4心16X 5= 29＋81= 120＋360= 72 - 8= 32＋64= 30-9= 208X 3"60＋40= 420- 7= 59X 6"30＋66= 213X 6"793X 6"28＋68= 340X 8= 82X 7"18＋71= 65-8= 260X 4= 40＋56= 309X 8= 608X 5= 100－4= 800X 5= 260X 4= 36＋60= 28＋6= 63 - 8= 48－30小学数学三年级下册口算题卡60＋34= 670－570= 40＋42= 1400－800= 820－220= 72－39= 240＋60= 320－180= 37－27= 90－82= 270－190= 165＋202=81－54= 76－28= 320＋590=21-7= 100－51= 820－499=8X 5= 142－138= 605－309=700－500= 26＋75= 79＋81=700＋800= 87＋ 12= 706＋94= 24＋18= 66＋30= 900－ 187=71－21= 59－ 14= 800－235=90＋300= 78－34= 540－ 160=200＋60= 39＋53= 170＋ 350=100－20= 90－27= 620－470=24＋18= 82－ 51= 320＋480=290－180=62＋ 18=50 - 7=小学数学三年级下册口算题卡25X 3= 165X 6= 21X 5= 36 X 2= 23X 5= 210X 5= 24 X 3= 62X 3= 450－80=12X 7= 29X 7= 300X 8= 224X 3= 15X 3= 700X 4= 27X 3= 24X 6= 102X 4= 15X 6= 48X 3= 9X 80= 216X 3= 420X 6= 123X 3= 123X 4= 250X 7= 39X 7= 75X 6= 205X 7= 79X 5= 42X 7= 50X 4= 340X 5= 23X 9=40X 5= 108X 5= 127X 8=840＋70=105X 6=小学数学三年级下册口算题卡1 , 1 4 , 3 5 , 3 _ +++ 3 3 7 7 9 91 —1 1—3 5 54 1 6 8 82 ,3 2 3 + 1 15 5 5 108 — 2 4 卜2 5 +39 9 10 10 8 8 4 , 2 1 , 3 3 , 4 +++8 8 5 5 7 75 — 3 5 _ 3 3 +16 6 8 8 4 47 3 3 1 , 3+ — 1 +10 10 8 5 51 —42 1 4 31 7 4 4 7 71 ,2 7 2 8 1+4 4 9 9 9 97 5 7 +29 9 9 99 4 5 , 210 10 7 77 1+ 4 _ 38 8 5 5小学数学三年级下册口算题卡200 X 6= 700X 9= 50 - 8= 205 X 6= 52 - 6= 75 - 9=99X 2= 16-3= 625X 8= 99X 3= 16-7= 235+679" 99X 4= 20 - 8= 992 X 3" 513＋96= 32 - 6= 504－318" 806X 3= 23 - 4= 306X 8" 599＋252= 31 - 5= 456＋157" 14X 2= 8-3= 150X 6= 30X 6=3 21 - 6= 32 - 5= 500X 8= 33 - 8= 23X 3= 33X 3= 16-7= 55X 4= 30- 7= 27-6= 705X 9= 2004X 2= 38 - 9= 689X 7"小学数学三年级下册口算题卡96 - 4= 34+28=27+54= 20-2= 67+33=750+250= 3000十3= 500X 4=80X 7= 4000十5= 92-16=300X 5= 840- 2= 52-18=4X 40= 96 - 3= 1200-700=85+25= 210- 7= 400- 8=650-320=320- 8= 72 - 9=1400-500=5000- 5= 80-26=73-29= 63- 7=53+69=300X 5=86-39 =43+36=9000-500=400X 8=25X 4=64-26= 93-25=46+27=34+56=小学数学三年级下册口算题卡87-53 =100-55=54+28= 500X 2=94-19=67+23= 84+50=600X 6=600X 4= 62+48=700+900=82 - 9= 72+19=74+28=72-16= 700X 4=72-48=52-28= 660-90=200X 9=1200-800 25+55=47+35=90-26=40X 7=97-59=900-500=4300-700=64-16=73+69= 86-24=56 - 7=53+36= 45+37=86-49=25X 4= 60X 5=300X 8=56+27= 120+300=33-25=47+54=小学数学三年级下册口算题卡（1）一年有（）个月，平年二月有（）天，闰年二月有（）天。

三年级下册数学口算题(3000道)180

人教版小学数学三年级数学口算题600道(全套)

人教版小学数学三年级数学口算题600道(全套)40-2=3870+90=16070+2=72140-7=13370+50=120421÷7≈6052+35=87720÷8=909×799≈72009×799=719180÷4=2026+9=3545×28≈1260160-60=100160÷8=20150+40=1902100÷3=70050×80=400028÷7=4500×4=200024÷8=312×20=24035÷5=750÷5＝103×800＝2400 420÷7＝603×220＝660480÷4＝12058＋33＝91420－20＝40093÷3＝31880÷4＝220 1200－200＝1000 11×7＝7780－46＝3482÷9≈945+45=9050×90=4500 42×98≈4116 5×5+52=77 90+30=120 90+40=130 170-90=80 110-30=80 50+80=130 110-80=30 50+90=140 400+300=700 21×30＝630 660÷6＝110 65×10＝650 540÷6＝90 22×40＝880 80×80＝6400 10×47＝470 30×70＝2100 0÷93＝0600÷6＝10010×36＝360660÷3＝22043＋38＝81720÷8＝9036＋56＝9223×30＝69010×73＝73090×50＝4500800÷8＝1006000＋2000＝8000 120×4＝480640÷2＝32052×94≈4888250÷5=5063÷9=7280÷4=7050×50=2500810÷9=90300×6=180025+41=66 140÷7=2020×31=620 90-65=2552×44≈2288 74×54≈3996 41×75≈3075 40×70＝2800 131÷6≈21.8 900÷3＝300 57＋29＝86 125÷2≈62.5 4×9÷6=690÷9=10 1600÷2=800 71-68=3600÷1=600 1500÷3=500 9×300=2700 3×200＝600620÷2＝310660÷2＝330640÷8＝80880÷4＝220 7500－500＝7000 0÷91＝012×4＝483×31＝9358＋26＝84120×4＝4800×97＝0360÷9＝4044×2＝88960÷3＝32032×2＝642×440＝880460÷2＝23070＋500＝5703×33＝99280÷4＝709×400＝36003×330＝990690÷3＝23011×40＝440900×5＝450067－49＝18200÷4＝508000－1000＝7000 20×24＝48057＋29＝86540÷6＝9010×73＝73010×58＝5800÷49＝034×20＝68080×90＝720030×70＝2100120×4＝480640÷8＝80720÷9＝8010×34＝34065×10＝650660÷3＝220700×5＝350041×20＝8207000-3990=3010To find the difference een 7000 and 3990.we subtract 3990 from 7000 to get 3010.30x30=900When we multiply 30 by 30.we get the product 900.10x47=470The product of 10 and 47 is 470.30x23=690When we multiply 30 by 23.we get the product 690.660/6=110Dividing 660 by 6 gives us the quotient 110.5900-5000=900To find the difference een 5900 and 5000.we subtract 5000 from 5900 to get 900.11x40=440The product of 11 and 40 is 440.70x40=2800When we multiply 70 by 40.we get the product 2800.10x36=360The product of 10 and 36 is 360.6000+2000=8000Adding 6000 and 2000 gives us the sum 8000.80x80=6400When we multiply 80 by 80.we get the product 6400.29+14=43Adding 29 and 14 gives us the sum 43.80x50=4000When we multiply 80 by 50.we get the product 4000.200x4=800The product of 200 and 4 is 800.36+56=92Adding 36 and 56 gives us the sum 92.88x10=880When we multiply 88 by 10.we get the product 880.600/6=100Dividing 600 by 6 gives us the quotient 100.22x30=660When we multiply 22 by 30.we get the product 660.400+600=1000Adding 400 and 600 gives us the sum 1000.XXXAdding 34 and 29 gives us the sum 63.800/8=100Dividing 800 by 8 gives us the quotient 100.21x30=630When we multiply 21 by 30.we get the product 630.720/8=90Dividing 720 by 8 gives us the quotient 90.33x30=990When we multiply 33 by 30.we get the product 990. 32x20=640When we multiply 32 by 20.we get the product 640.87x10=870When we multiply 87 by 10.we get the product 870.500+40=540Adding 500 and 40 gives us the sum 540.22x40=880When we multiply 22 by 40.we get the product 880.440/4=110Dividing 440 by 4 gives us the quotient 110.33x20=660When we multiply 33 by 20.we get the product 660.320/4=80Dividing 320 by 4 gives us the quotient 80.83/9≈9.22When we divide 83 by 9.we get the XXX 9.22.77-29=48Subtracting 29 from 77 gives us the difference 48.0/93=0Dividing 0 by 93 gives us the quotient 0.640/2=320Dividing 640 by 2 gives us the quotient 320.30x50=1500When we multiply 30 by 50.we get the product 1500.75+18=93Adding 75 and 18 gives us the sum 93.600+700=1300Adding 600 and 700 gives us the sum 1300.210/7=30Dividing 210 by 7 gives us the quotient 30.3x8=24The product of 3 and 8 is 24.80/2=40Dividing 80 by 2 gives us the quotient 40.40x10=400When we multiply 40 by 10.we get the product 400.180/3=60Dividing 180 by 3 gives us the quotient 60.80x99≈7920When we multiply 80 by 99.we get the product approximately equal to 7920.280/4=70Dividing 280 by 4 gives us the quotient 70.90x100=9000When we multiply 90 by 100.we get the product 9000.8/1x8=64Multiplying 8 by 1 gives us 8.and then multiplying 8 by 8 gives us the product 64.20+90=110Adding 20 and 90 gives us the sum 110.80+20=100Adding 80 and 20 gives us the sum 100.130-2=128Subtracting 2 from 130 gives us the difference 128.310x3=930When we multiply 310 by 3.we get the product 930.390/3=130Dividing 390 by 3 gives us the quotient 130.230x3=690When we multiply 230 by 3.we get the product 690.11x4=44The product of 11 and 4 is 44.82-55=27Subtracting 55 from 82 gives us the difference 27.310x3=930When we multiply 310 by 3.we get the product 930.720/9=80Dividing 720 by 9 gives us the quotient 80.4700-700=4000To find the difference een 4700 and 700.we subtract 700 from 4700 to get 4000.360/6=60Dividing 360 by 6 gives us the quotient 60.37+56=93Adding 37 and 56 gives us the sum 93.32x3=96When we multiply 32 by 3.we get the product 96.70x7=490When we multiply 70 by 7.we get the product 490.1200-715=485To find the difference een 1200 and 715.we subtract 715 from 1200 to get 485.159/4≈39.75When we divide 159 by 4.we get the XXX 39.75.620/2=310Dividing 620 by 2 gives us the quotient 310.6x800=4800The product of 6 and 800 is 4800.960/3=320Dividing 960 by 3 gives us the quotient 320.1500-903=597To find the difference een 1500 and 903.we subtract 903 from 1500 to get 597.0/54=0Dividing 0 by 54 gives us the quotient 0.23x3=69When we multiply 23 by 3.we get the product 69.12x30=360When we multiply 12 by 30.we get the product 360.7x80=560When we multiply 7 by 80.we get the product 560.48x10=480When we multiply 48 by 10.we get the product 480.600/3=200Dividing 600 by 3 gives us the quotient 200.48+28=76Adding 48 and 28 gives us the sum 76.641/8≈80.13When we divide 641 by 8.we get the XXX 80.13.480/8=60Dividing 480 by 8 gives us the quotient 60.7x50=350When we multiply 7 by 50.we get the product 350.880/8=110Dividing 880 by 8 gives us the quotient 110.879/8≈109.88When we divide 879 by 8.we get the XXX 109.88.9x500=4500The product of 9 and 500 is 4500.80+17=97Adding 80 and 17 gives us the sum 97.54+28=82Adding 54 and 28 gives us the sum 82.42x3=126When we multiply 42 by 3.we get the product 126.1700-800=900To find the difference een 1700 and 800.we subtract 800 from 1700 to get 900.90/3=30Dividing 90 by 3 gives us the quotient 30.180/3=60Dividing 180 by 3 gives us the quotient 60.300/5=60Dividing 300 by 5 gives us the quotient 60.930/3=310Dividing 930 by 3 gives us the quotient 310.800/4=200Dividing 800 by 4 gives us the quotient 200.60-15=45Subtracting 15 from 60 gives us the difference 45.900/3=300Dividing 900 by 3 gives us the quotient 300.450/9=50Dividing 450 by 9 gives us the quotient 50.299/6≈49.83When we divide 299 by 6.we get the XXX 49.83.50x7=350When we multiply 50 by 7.we get the product 350.0x37=0Multiplying 0 by 37 gives us the product 0.53-14=39Subtracting 14 from 53 gives us the difference 39.17+27=44Adding 17 and 27 gives us the sum 44.840/4=210Dividing 840 by 4 gives us the quotient 210.2x14=28The product of 2 and 14 is 28.140/2=70Dividing 140 by 2 gives us the quotient 70.660/6=110Dividing 660 by 6 gives us the quotient 110.7x800=5600The product of 7 and 800 is 5600.7x700=4900The product of 7 and 700 is 4900.840/2=420Dividing 840 by 2 gives us the quotient 420.430x2=860When we multiply 430 by 2.we get the product 860.540/9=60Dividing 540 by 9 gives us the quotient 60.31x3=93When we multiply 31 by 3.we get the product 93.13x3=39When we multiply 13 by 3.we get the product 39.34+56=90Adding 34 and 56 gives us the sum 90.96/3=32Dividing 96 by 3 gives us the quotient 32.2x330=660The product of 2 and 330 is 660.50x6=300When we multiply 50 by 6.we get the product 300.1807-800=1007To find the difference een 1807 and 800.we subtract 800 from 1807 to get 1007.63/3=21Dividing 63 by 3 gives us the quotient 21.26+57=83Adding 26 and 57 gives us the sum 83.800/8=100Dividing 800 by 8 gives us the quotient 100.33+57=90Adding 33 and 57 gives us the sum 90.600x3=1800When we multiply 600 by 3.we get the product 1800.37+8=45Adding 37 and 8 gives us the sum 45.480/8=60Dividing 480 by 8 gives us the quotient 60.630/3=210Dividing 630 by 3 gives us the quotient 210.62-33=29Subtracting 33 from 62 gives us the difference 29.500+500=1000Adding 500 and 500 gives us the sum 1000.33x2=66When we multiply 33 by 2.we get the product 66.800/2=400Dividing 800 by 2 gives us the quotient 400.700/8=87.5Dividing 700 by 8 gives us the XXX 87.5.0/47=0Dividing 0 by 47 gives us the quotient 0.560/7=80Dividing 560 by 7 gives us the quotient 80.440/4=110Dividing 440 by 4 gives us the quotient 110.93/3=31Dividing 93 by 3 gives us the quotient 31.24x2=48When we multiply 24 by 2.we get the product 48.40x40=1600When we multiply 40 by 40.we get the product 1600.40x10=400When we multiply 40 by 10.we get the product 400.89/3≈29.67When we divide 89 by 3.we get the XXX 29.67. 562/7≈80.29When we divide 562 by 7.we get the XXX 80.29.241/2≈120.5When we divide 241 by 2.we get the XXX 120.5.30/(3-1)=15When we divide 30 by the difference of 3 and 1.we get the quotient 15.24x2-3=45When we multiply 24 by 2.we get 48.and then subtracting 3 gives us the result 45.0/54=0Dividing 0 by 54 gives us the quotient 0.23-3=20，20×3=6013×30=3907×81=56753×10=53060×70=420023×30=690 60×50=3000 70×80=5600 10×68=680 40×50=2000 30×21=630 7×11=7750×70=3500 24×2=4830×70=2100 10×74=740 50×10=500 70×11=770 30×40=1200 24×20=480 12×20=240 30×21=630 20×70=1400 28×1=2820×13=2601×36=3610×19=190 11×50=550 30×30=900 28×10=280 20×50=1000 10×36=360 30×33=990 21×40=840 12×10=120 31×2=6214×20=280 6×90=540 20×33=660 90×20=1800 20×13=260 31×20=620 22×3=6660×90=5400 39×10=39021×2=4244×20=880 12×4=4822×30=660 22×4=8830×80=2400 33×10=330 50×90=4500 12×40=480 220×3=660 22×40=880 90×40=3600 200×3=600 41×20=820 21×30=630 10×46=460 3×700=2100 33×30=990 20×41=820 6×600=360024×20=480 50×30=1500 0×45=050×70=3500 800×7=5600 723÷9≈80 10×89=890 69×10=690 13×30=390 23×30=690 4×90=360 60×60=3600 60×40=2400 90×30=2700 21×40=840 30×20=600 40×90=3600 2×31=6233×20=660 40×70=280048+19=67 70×6=420 4×900=3600 2×310=620 20+35=55 45+35=80 32×20=640 70×60=4200 84×1=84 900×6=5400 34×20=680 33×30=990 31×20=620 702×6=4212 84×10=840 9×800=7200 70×30=2100 2×42=8486-47=395×90=45022×30=6606×500=30008×70=56042×20=840 400+300=700 5×900=450010×33=33022×0=080×70=5600 201×4=8040÷20=06×60=36021×40=84080×40=320010×37=37020×50=1000 2000+300=2300 31×20=620 600+90=690 4700-700=400044-37=740×12=480 52+39=91 400÷8=50 480÷8=60 33×30=990 50×5=250 22×40=880 44+20=64 41×39≈1599 43×20=860 46+37=83 420÷6=70 300÷6=50 40×11=440 360÷9=40 10×34=340 40×90=3600 90×60=5400 490 ÷ 7 = 7020 × 34 = 680 300 × 3 = 900 80 × 4 = 32065 × 0 = 0330 ÷ 3 = 110 250 ÷ 5 = 50 680 - 80 = 600 880 ÷ 2 = 440 70 × 20 = 1400 400 ÷ 4 = 100 50 × 30 = 1500 640 ÷ 8 = 80 880 ÷ 4 = 220 400 + 300 = 700 34 + 39 = 73 360 ÷ 6 = 6099 × 10 = 990 12 × 20 = 240 30 × 80 = 2400 41 × 20 = 82097 × 10 = 970 700 ÷ 7 = 100 33 × 30 = 990 11 × 80 = 880 200 ÷ 4 = 50 84 - 47 = 37 630 ÷ 7 = 90 71 - 23 = 48 31 × 30 = 930 21 × 30 = 630 43 × 2 = 860 × 20 = 075 + 18 = 93 23 + 48 = 71 90 × 30 = 2700 30 × 12 = 360 46 + 24 = 70 0 ÷ 73 = 042 × 20 = 840 100 ÷ 5 = 2010 × 50 = 500 350 ÷ 5 = 70 52 - 29 = 23 240 × 2 = 480 800 × 3 = 2400 60 × 50 = 3000 410 × 2 = 820 41 × 20 = 820 310 × 3 = 930 20 × 23 = 460 440 ÷ 4 = 110 30 × 32 = 960 0 × 35 = 010 × 35 = 350 29 + 61 = 90 410 ÷ 7 ≈ 58.57 30 × 30 = 900 50 × 90 = 4500 80 × 30 = 2400 20 × 14 = 28090 × 50 = 4500 420 ÷ 6 = 70300 ÷ 6 = 50240 ÷ 4 = 6069 × 10 = 69022 × 40 = 88033 × 20 = 660 900 ÷ 9 = 10070 × 11 = 770 4500 - 500 = 4000 20 × 40 = 800 400 ÷ 4 = 10049 + 33 = 82707 ÷ 7 = 10123 × 3 = 6978 - 36 = 4211 × 4 = 44230 × 3 = 69046 ÷ 9 ≈ 5.1110 - 5 = 590 + 20 = 110 17 - 8 = 9180 - 80 = 100 350 ÷ 5 = 70 40 × 70 = 2800 43 + 38 = 81 90 × 50 = 4500 84 - 65 = 19 43 - 16 = 27 10 × 80 = 800 51 × 82 ≈ 4182 500 + 40 = 540 88 × 10 = 880 700 × 5 = 3500 81 × 99 ≈ 8019 40 × 70 = 2800 440 ÷ 4 = 110 32 × 3 = 9648 ÷ 4 = 12 540 ÷ 9 = 6090 ÷ 9 = 1013 × 3 = 39600 × 7 = 4200 120 × 3 = 360 480 ÷ 2 = 24039 ÷ 3 = 13560 ÷ 8 = 70 990 ÷ 3 = 330 420 ÷ 2 = 21063 ÷ 3 = 21160 ÷ 4 = 40 800 + 700 = 1500 690 ÷ 3 = 2302 × 440 = 88048 ÷ 2 = 24480 ÷ 2 = 24060 × 5 = 3002 × 44 = 88840 ÷ 4 = 2100 ÷ 51 = 00 × 85 = 070 ÷ 7 = 105 × 900 = 450084 ÷ 4 = 21930 ÷ 3 = 31083 - 57 = 2629 + 68 = 9768 - 49 = 1980 × 7 = 560330 ÷ 3 = 1103 × 23 = 6942 × 42 ≈ 176466 × 54 ≈ 356466 + 26 = 92131 ÷ 6 ≈ 21.8383 ÷ 9 ≈ 9.22150 - 60 = 90删除有问题的段落后，文章变为：70+80=150110-6=10465÷9≈7.257－38＝191500－700＝80042×2＝8499÷3＝33770÷7＝110660÷3＝220960÷3＝320180÷9＝2065＋15＝80660÷6＝110800×2＝1600140÷2=70400÷8=50480÷6=8030×5=1504 = 不完整的式子，无法计算240÷6=40160÷2=8090÷3=3075÷1=75320÷8=40400÷4=100240÷4=60改写后的文章：这里有一些简单的数学问题。

人教版三年级数学下册口算综合练习题天天练卡脱式计算竖式题电子

人教版三年级下册数学口算专项练习练习一一、口算：48÷6= 1200＋800= 720＋80= 460＋400=200＋800= 3000－1500= 760＋60= 27＋53=240－120= 5000－500= 3600－600= 50＋800=500＋300= 450＋500= 360－80=4＋0.6= 7.3－2.9= 10－0.7= 8.2-5=6.5+4.7= 1.2-0.3= 4.6+2.4= 3.8+6.6=二、估算。

238÷6≈876÷3≈417÷6≈753÷5≈89×30≈32×48≈43×22≈52×68≈二、笔算并验算696÷2＝882÷4＝809÷8＝56×79＝64×28＝820÷3＝630÷6＝458÷4=三、脱式计算。

（450－175）÷5 268+29×65 315－345÷3574÷(125118) 948－13×52 17×36÷3四、解决问题1.每盒有2个球，每排5盒，求3排一共有多少个球？2.每辆汽车每次运货物9吨，有6辆车，这些车4次运货物多少吨？3.一种高级瓷砖每块13元，每箱有25块，小刚家修时买了3箱，一共多少元？五、列式计算。

1、16与24的和除以8，商是多少？2、400减去170与80的和，差是多少？练习二一、估算890÷9≈459÷50≈417÷60≈351÷5≈65×11≈76×11≈27×19≈45×19≈53×21≈84×21≈38×21≈35×21≈二、笔算508÷2＝36×19＝19×47＝900÷5＝23×34＝392÷4＝360×5＝809÷8＝54×63＝25×38＝370÷5＝774÷8＝三、脱试计算683＋258－383 359＋432－189 81－81÷9 550＋45×9 838－（138＋275）96×4＋80四、列式计算3、748与116的和是8的多少倍？4、25乘5除225的商，积是多少？5、25与47的和乘98，积是多少？6、175与49的和除以4，商是多少？五、解决问题1.学校图书馆共有700本书，有7个书架，每个书架有5层。

三年级下册数学口算题(3000道)50

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数学三年级（下册）口算练习题400X7 = 80X9 = 400X8 = 440X8 = 80X6 = 300X5 = 600X7 = 6X300 = 90X7 = 80X6= 600X8 = 50X5 = 200X6 = 700X6 = 200X2 = 100X8 = 80X2 = 4X700 = 60X2 = 56X7~ 70X9 = 300X6 = 40X7 = 50X5 = 500X8 = 80X3 = 5X500 = 400X6 = 70X7 = 200X5 = 100X5 = 300X7 = 20X8 = 40X6= 500X6 = 45X9~ 20X3 = 36X9~ 500X7 =100X2 = 80X8 = 400X3 = 60X6= 60X3 = 40X7 = 70X3 = 300X5 = 200X3 = 90X7 = 800X5 = 36X9~ 200X4 = 400X5 = 54X8~ 50X5 = 40X2 = 300X6 = 60X9 = 50X5 = 600X6 = 6000X2 = 80X6 = 9X500 = 200X5 = 4X500 = 30X3 = 300X4 = 200X9 = 6X900 = 200X7 = 5X300 = 200X6 = 1000X7 = 400X5 = 300X8 = 100X5 = 80X9 = 4X600 = 700X6 = 3X500 = 3X400 =70-32 = 444-4 = 14+62 = 724-8 = 300X3 = 51-37 = 9X300 = 5X200 = 800X8 = 38 + 57 = 76-64 = 6X40 = 500X8 = 25+49 = 48-15 = 70-23 = 2X200 = 68-59 = 60X2 = 6X600 = 37 + 55 = 72-8 = 63-25 = 93 一8 =3X80= 200X3 = 800 X 5 =32 + 57 = 4X200 = 454-5 = 600X4 = 26 + 56 = 58 + 27 = 32 + 57 = 45 + 18 = 70-17 = 900X4 = 23X3 = 36-25 =38 + 57 = 57 + 34 = 24+39 =15 + 60 = 48-25 = 60X3 = 27 + 58 = 3X900 = 74一8 = 37 + 25 = 2X200 = 55 + 38 = 300X5 = 844-9 = 14+68 = 400X2 = 76-68 = 17 + 62 = 54+18 = 38*4 = 25 + 57 = 16 + 70 = 364-5 = 32 + 68 = 90X3 = 500X8 = 800X6 = 66 三7 = 764-8 = 94-48 = 35 + 18 = 30X2 = 23-16 = 824-9= 62 + 30 = 86-48 = 200X3 = 29 + 24 = 4X12 = 804-4= 304-3 = 1204-4 = 3004-6 = 2 604-6 = 804-8 = 004-5 = 704-7 =80004-4 = 7004-7 = 604-3 = 3004-5 = 300 — 3 = 404-5 = 4504-5 = 2000 + 5 = 60*2 = 400三5 = 40 三2 = 400 三8=5004-5 = 3004-5 = 1004-2 = 600^5 = 40*4 = 90 一3 =200F4= 804-2 = 800 一2 =3604-9 = 20004-2 = 800一5 =400^2 = 40004-2 = 300^4 = 504-5 = 40004-5 =904-9= 30004-4 =5604-8 = 1204-3 = 604-6 = 6304-9 = 4204-7 = 1804-2 = 1604-8 = 6404-8 = 1504-3 =3504-5 = 804-4 = 2404-6 = 8104-9 = 3604-4 = 404-2 = 350三7 = 540 三9 = 210 三3=150 — 3 = 1404-2 = 80*8 = 720F8 = 4004-8 = 30*3 = 240F8 = 50*5 = 2704-9 = 404-4= 604-3 = 250*5 = 320^8 = 804-2 = 1804-3 = 120 — 6 = 1604-2 = 304-3 = 204-2 = 50*5 = 5404-6 = 3004-5 = 604-2 = 1804-6 = 2104-7 = 2804-7 = 90*3 = 1204-4 = 3504-5 = 2504-5 =804-8 = 450*9 = 1204-2 = 320*4= 450*5 = 40*2 = 300三6 = 400 三5 = 280 三4=704-7 = 360*6 = 300 + 2 = 360*6 = 1804-3 = 200*4 = 270F6~ 294*6~ 295*5~495F9~ 462*6~ 528一8~870三6~ 775 宁5~ 846 宁6~636F2~ 7644-2^ 654*6~ 940F5~ 2664-7^ 936 = 2~ 732F3~ 784-6^ 784*8~ 924F3~ 932*4~ 828*3~714 三7~ 615 宁5~ 135 一5~306F9~ 207 宁9~ 455 宁5~ 508F2~ 872一2~ 938一7~ 486 = 6~ 270一6~ 572 一2~ 783 宁9~ 870 宁6~ 636 一2~ 720 — 9 = 2404-8 = 80*8 = 480F6 = 200*5 = 60 一6 = 904-9 = 1004-2 = 400^5 =4004-8 = 160*2 = 420 一6 =280^7 = 1804-6 = 240-F3 = 200 — 4 = 5604-8 = 270*9 = 5604-8 = 240*4 = 704-7 = 5404-6 = 4504-9 = 1204-4 = 1604-8 = 1004-5 = 2704-3 = 1504-3 = 1804-9 = 360一9=2504-5 = 3504-5 = 504-5 = 3504-7 = 804-4 = 8104-9 = 904-3 = 40*2 = 210*7 = 320三4 = 60 三2 = 300 三5=804-4= 160*4 = 450*5 = 210F3 = 2104-7 = 80*8 = 4204-6 = 4504-9 = 160*2 = 1804-9 = 3504-7 = 490*7 = 604-3 = 480 一6 = 1504-5 = 320 — 8 = 630 十7 = 3004-5 = 904-9= 250十5 = 604-6 = 2004-4 = 200^5 = 1804-2 = 1204-3 = 360一6 = 2404-6= 904-3 = 1204-6 = 540*6 =6404-8 = 2804-4 = 1504-3 = 2404-3 = 2804-7 = 160*8 = 3X15 = 28X2 = 4X13 = 23X4= 8X64 = 7X59 = 98X6= 19X2 = 13X6 = 7X68 = 15X6 = 7X36 = 19X3 = 78X4 = 58X5 = 4X24= 17X5 = 1X66 = 7X53 = 4X20 = 9X37 = 10X5 = 82X3 = 19X5 = 9X72 = 75X2 = 63X4 = 6X38 = 5X18 = 4X44 = 8X43 = 3X91 = 43X5 = 0X48 = 5X66 = 3X72 =5X99 = 5X62 = 86X9 = 8X40= 9X53 = 12X4= 15X6= 37X7 = 87X9 = 16X3 = 72X6 = 3X83 = 6X73 = 8X90 = 2X85 = 7X61 = 21X4 = 9X70 = 6X55 = 2X78 = 95X6 = 5X52 = 41X8 = 87X2 = 62X6= 26X3 = 60X5 = 6X25 = 4X11 = 54X7 = 11X7 = 43X0 = 3X81 = 93X7 = 9X96 = 14X4 = 4X70 = 74X6 = 9X88 = 93X3 = 32X8 = 4X54 =100X60 = 40X200 = 20X900 = 300X20 = 50X60 = 80X300 = 80X700 = 30X300 = 400X30 = 5X400 = 40X20 = 90X700 = 60X100 = 20X200 = 300X30 = 20X600 = 60X300 = 20X300 = 200X8 = 30X100 = 600X40 = 600X10 = 500X30 = 400X50 = 20X400 = 90X200 = 80X200 = 70X100 = 70X600 = 40X90 = 80X200 = 400X80 = 60X400 = 60X74 = 100X61 = 50X61 = 60X83 = 56X200 = 80X70 = 90X73 = 30X26 = 80X41 =49X90 = 54X200 = 30X66 = 30X11 = 17X80 = 40X97 = 40X88 = 56X90 = 90X57 = 67X60 = 80X60 = 70X31 = 300X45 = 70X46 = 80X52 = 21X300 = 21X70 = 30X77 = 58X60 = 14X600 = 58X80 = 63X40 = 79X20 = 61X80 = 80X83 = 56X70 = 500X18 = 82X90 = 23X40 = 45X70 = 700X11 = 37X50 = 8X50 = 50X53 = 32X70 = 83X40 = 400X22 = 200X29 = 30X35 = 90X38 = 50X36 = 13X90 =72X20 = 50X86 = 41X40 = 26X30 = 60X25 = 77X20 = 70X23 = 28X50 = 43X80 = 23X43~ 15X41~ 54X70~ 19X85~ 42X90~ 17X32~ 11X54^ 37X83~ 60X51~ 71X25~ 26X61~ 80X47~ 76X84= 41X99~ 21X22~ 11X6A 66X73~ 61X674 24X38~ 21X49~ 69X58~ 57X12~ 67X85~ 61X48~ 83X61~ 43X82~ 53X20^ 59X18~ 74X18~ 47X24~ 28X55~ 58X27~ 80X71~60X59~ 76X70~ 63X8~ 4004-8 = 2204-2 = 9X50 = 4804-4 120X2 = 12X5 = 280三4 = 580 三2 = 50 三6 = 4004-4= 8004-2 = 550 — 5 = 480*6 = 6X50 = 360 一6 = 3504-5 = 40X20 = 480 一8 = 70X7 = 9604-3 = 420 一7 = 7004-7 = 8104-9 = 12X20 = 360 — 3 = 7004-7 = 33-28 = 600^6 = 3X20 = 500-50 = 78+41 = 880 + 20 = 53+17 = 4504-9 = 884-9 = 2004-4 = 5X8+8= 174-5 = 300X7 =5X3+8= 6304-3 = 12X60 = 0X22 = 70-7 = 450X0 = 72 + 18 = 450 + 50 = 774-7 = 40X50 = 12X6 = 300 三6 = 20X50 = 64*16 = 490*7 = 704-2 = 102 + 20 = 65X10 = 6304-7 = 58 + 15 = 64*7 = 28 + 68 = 37-18 = 56-20 = 580 + 20 = 724-6 = 3X2+9= 3004-5 = 4604-2 = 5X7+4= 4004-8 = 450 一9 = 120X4 = 8X9+9= 324-8 = 7*2 = 634-8 = 6X90 = 3004-6 = 88 + 21 = 300-80 = 3004-3 =8004-4 =1604-4=404-6= 217毫米+ 25毫米1吨一400千克= 1千克一500克= 5000克一4千克= 2000 米 + 8000 米= 75分米一30分米= 50-38 =90-26 =120-80=300-30 =6X120 =480 + 70 =55*5 = 420-150 =7X8 =900+100 =36 一6 =2000 + 800 =63 宁7 =69+22 =560+40 =600-267 =1000-465 =324-5 =360 -90 = 294 -546 一7 = 23一5 = 294-3 = 45*6 = 384-6= 53*7 = 38 三9 =584-9 = 30X3 =8千米=()米20 + 75 = 3米=()厘米280+50= 4厘米=()毫米130-70= 7000千克=()吨7X5 = 40分米=()米724-9 = 2时=()分30 + 180=30厘米=( )分98-80 = 米5X8 =5千米=()米77 + 13 =534-9 = 604-8 =324-8 = 504-6=644-7 = 250 + 284 =940-372 = 500—249：—238 + 79 =58 + 23 = 700-537 = 210+450 = 26 + 524= r 6 6 270-80 = 21 一3 =13 + 3-7 =8 849 一7 = 100-40 = 47 78X800 = 174-5 = 仝9 9200+600 = 丄+h9-5+5=4 4404-6= 284-6 = 丄+J4 4734-9 = 1+1=307-49 =3 3654-7 = 4X6+3= 360X7 =65 + 8 = 25X4 = 999X0 = 800X7 = 83-9 = 50-23二95-48 = 28 + 6 = 260X4 = 28 三6= 50X9 = 63 三8 = 7X8+6 = 140 + 80 = 37+46 = 49X4~ 75-20 = 78 + 22 = 12 + 360 = 16X5 = 99+66 = 304-9 = 72*8 = 29+81 = 4204-7 = 208 X3~ 32+64 = 213X6~ 59X6~ 60+40 = 340X8 = 793 X6~ 30+66 = 654-8 = 82X7~ 28+68 = 309X8 = 260X4 = 18 + 71 = 800X5 = 608X5 = 40+56 =获取失败! 请刷M 文档投稿赚钱max,book11 xom79+81 = 800-235 = 620-470 = 706+94 = 540-160 = 320+480 = 900-187 = 170 + 350 = 50*7 =32 三6= 600X6 = 9X5+2= 274-5 = 1200X2 = 2X7+3= 554-6= 41X4~ 6X7+3= 444-7 = 29X6~ 5X6+5= 524-7 = 704X2~ 7X8+4= 37三6= 39X9~ 8X3+1= 454-6= 51X7~ 21X4 = 184-8 = 62X9~ 213X3 = 900X2 = 601X5 〜13X3 = 400X6 = 219X5~ 421X2 = 600X3 = 8X5+1= 43X2 =323X3 = 221X4 = 42X2 = 12X4= 23X3 = 232X3 = 25X3 = 120X8 = 40X5 = 36X2 = 165X6 = 840 + 70 = 24X3 = 23X5 = 21X5 = 12X7 = 62X3 = 210X5 = 224X3 = 29X7 = 450-80 = 27X3 = 15X3 = 300X8 = 15X6= 24X6 = 700X4 = 210X3 = 48X3 = 102X4 = 120X4 = 420X6 = 9X80 = 75X6= 250X7 = 123X3 = 42X7 = 205X7 = 39X7 = 23X9 = 50X4 = 79X5 =340X5 = 108X5 = 105X6 =25X4= 230X2 = 383+496" 809-394^ 218+502~ 982-491^ 413X6^ 296X3^ 804X5~ 195X7~ 180X6 = 105X6 = 908-379 =125X8 =500-392 =708X5 = 71一8 = 156X8= 80 + 70 =170 + 60 =160 + 50 = 65+ 23 = 490 +200= 40+120= 78 + 27 =588 + 430=60X80=870-800 =790-590800-350 =500-200 =960-60 =100-60 =900-683 =200-72 =40 + 50 =340 + 200 =100 + 80 =800-200 =350+400 = 370-150= 180 + 220 = 760-160 = 900-860= 835 + 75 = 200X6= 304-7 = 334-8 = 205X6= 2004X2 = 164-7 =99X2 = 700X9 = 274-6 = 99X3 = 524-6 = 384-9 =99X4 = 164-3 = 504-8 = 513+96 = 164-7 = 754-9 = 806X3 = 20*8 = 625X8 = 599+252 = 32*6 = 235 + 679~ 14X2 = 23*4 = 992 X3~ 30X6 = 3 31*5 = 504-318^ 500X8 = 84-3 = 306 X8~ 33X3 = 21*6 = 456+157~150X6= 23X3 = 705X9 = 324-5 = 55X4 = 689 X7~ 564-8 = 894-8 = 8324-6= 284-6 = 654-4 = 2764-3 = 269X4 = 764-2 = 3174-2 = 294+463 = 894-7 = 704-8 = 29 + 39 = 7804-4 = 7474-3 = 72 一9 = 67*4 = 474-3 = 240X5 = 37*6 = 7234-6 = 450-170 = 6544-4 = 8054-7 = 474-6 = 7084-9 = 68*3 = 374-4 = 4254-7 = 715*3 = 8364-5 = 2474-3 = 434-5= 437*6 = 96 — 9 = 4484-8 =9184-9 = 86 一5 = 644-8 = 6804-8 = 254-5 = 7204-9 = 964-4 = 93-25 = 25X4= 204-2 = 34+28 = 46+27 = 30004-3 = 67+33 = 27+54 = 40004-5 = 500X4 = 750+250 = 8404-2 = 92-16 = 80X7 = 964-3 = 52-18 = 300X5 = 2104-7 = 1200-700 = 4X40 = 3204-8 = 400-?8 = 85+25 = 50004-5 = 72一9 = 650-320 = 634-7 = 80-26 = 1400-500 = 86-39 = 53+69 = 73-29 = 400X8 = 43+36 = 300X5 =9000-500 = 64-26 = 34+56 =87-53 = 120+300 = 86-49 = 500X2 = 100-55 = 300X8 = 84+50 = 94-19 = 33-25 =62+48 = 600X6 = 54+28 = 72+19 = 700+900 = 67+23 = 700X4 = 74+28 = 600X4 = 660-90 = 72-48 = 824-9 =25+55 = 200X9 = 72-16 =40X7 = 47+35 = 52-28 = 4300-700 = 97-59 = 1200-800 = 86-24 = 2500*5 = 90-26 =45+37 = 64-16 = 250+50 = 60X5 = 56*7 = 500*5 =900-50二196-156 = 12004-5 = 73+69 = 240-80 = 24004-6 = 53+36 = 70X4= 814-6=25X4 = 55+90= 750-150 = 56+27 = 50X9 = 690+20 = 47+54 = 300 7200 — 9 = 120X4 =04-5 = 81004-9 = 200+60 = 750+150 = 800X5 = 4004-9 = 6X8+32 = 1104-3 = 3644-5 = 87-35 = 864-3 = 9384-2 = 56*8+4 = 154*8 = 3684-9 = 800-140 = 680*4 = 1344-4 = 500-250 = 3304-5 = 7884-9 = 30X7 = 4704-5 = 8854-2 =2034-8 = 18+53 = 38+69 = 184*8 = 29+32 = 83+62 = 37X50 = 14+56 = 12+98 = 27+46 = 72+76 = 17+84 =90+47 = 71+68 = 175+157 =18+15 = 39+79 = 645+239 =92+65 = 64+60 = 808+213 =70X5 = 2X90 = 70X4 = 50X9 = 8X80 = 7X80 = 10X8 = 60X3 = 4X80 = 7X30 = 50X4 = 90X4 = 2X0= 90X7 = 60X9 = 70X8 = 5X10 = 8X60 = 6X20 = 30X6 = 2X30 =9X70 = 5X24 =7X74= 4X89 = 5X60 = 9X71 = 49X7 = 79X3 = 11X2 = 8X47 =68X3 = 4X46 =82X4 = 9X65 = 4004-4 = 8X405 = 72X7 = 4204-3 = 945X6 = 56X6 = 8804-4= 520X3 = 6404-8 = 6504-5 = 7X21 = 840-?6 = 2704-3 = 88X5 = 5404-9 = 634-3 = 261X5 = 400*8 = 70*5 =2X523 = 900*9 = 22 — 2 = 5X460 = 4804-8 = 56*2 =6X20 = 3004-6 = 57*3 =904-5 = 914-7 = 75*3 = 784-3 = 384-2 = 724-2 = 334-3 = 30X10 = 394-6 = 4444-2 = 30X10 = 254-8 = 5764-6 = 40X20 = 664-9 = 390 一6 = 60X0 = 1804-3 = 69*7 = 10X30 = 200^8 = 1534-9 = 20X70 = 90X60 = 154 一8 = 80X50 = 60X55 = 36一9 = 30X70 = 31X60 = 1344-4 = 30X30 = 88X30 = 1844-8 = 40X60 = 60X100 = 70X40 = 60X50 = 50X86 = 70X80 = 50X50 = 90X60 =600X50= 60X200 = 30X26 = 100X30= 30X400 = 30X62 = 900X10= 90X500 = 88X40 = 400X60= 40X40 = 60X45 = 100X10 = 82X90 = 70X65 = 40X100 = 92X60 = 10X88 = 600X60 = 18X80 = 20X55 = 700X40 = 30X81 = 93X10 = 40X600 = 96X80 = 80X60 = 100X40 = 13X10 = 44X55 = 800X10 = 10X20 = 20X14 = 600X50 = 400X60 = 600X60 = 100X30 = 100X10 = 700X40 = 900X10 = 40X100 = 40X600 =100X40= 18X80 = 88X30 = 800X10= 30X81 = 60X45 = 60X200= 96X80 = 70X65 = 60X100= 50X86 = 18X88 = 30X400 = 13X10 = 44X55 = 90X500 = 10X20 = 22X14 = 40X40 = 30X26 = 41X60 = 82X90 = 30X62 = 60X55 = 92X60 = 88X40 = 31X60 = 6304-9 = 800-190 = 72 — 8 = 82-54 = 74+680 = 80-25 = 400-35 = 640一8 = 7204-9 = 6X50 = 54-30 = 354-7 = 56 + 38 = 70X6二81-48 =9X80 = 42 + 70 = 3004-6 = 65 + 55 = 60X9 = 3304-6 = 64+60 = 5X90 = 3604-6 =4X4= 5404-9 = 70X54 =3 + 56 = 829X0 = 60X32 = 64一8 = 60—22 = 25X24 = 1、用的面积单位有( )、(）、（),常用的测量土地的单位有(）、（)o2、8平方米=( )公顷=( )平方米3、20000平方米=( )公顷4、3平方千米=( )公顷=( )平方米13、小海是1994年6月1日出生的，到2004年6月1日，他是（）周岁。