脱式计算大全及答案
1、62×7.1+2.9
=440.2+2.9
=443.1
2、4.2×0.25
=（4+0.2）×0.25
=4×0.25+0.2×0.25
=1+0.05
=1.05
3、5.2×4.3+0.8×4.3
=（5.2+0.8）×4.3
=6×4.3
=25.8
运算方式
在四则运算中，加法和减法叫做第一级运算，乘法和除法叫做第二级运算。含有两种或两种以上的运算的算式，通常称为混合运算。加、减、乘、除的混合运算也叫做四则混合运算。在四则混合运算中，规定的计算先后次序，称为运算顺序。
1、4×102－2×49 =408-2×49
=408-98
=310
2、25×（2+4）=25×2+25×4
=50+100
=150
3、12×5+8
=60+8
=68
4、99×101
=99×(100+1)
=99×100+99×1 =9900+99
=9999
5、25×（78×4）=25×4×78
=100×78
=7800
6、（25＋12）×4 =25×4+12×4
=100+48
=148
7、1.4+0.7+8.6 =(1.4+8.6)+0.7 =10+0.7
=10.7
1、24.6-3.98+5.4-6.02
解析：此题利用加法交换结合律，凑整再计算。步骤如下：
24.6-3.98+5.4-6.02
=（24.6+5.4）-（3.98+6.02）
=30-10
=20
2、27×17/26
解析：此题先用加法分配律，把27转换成（26＋1），再利用乘法结合律，使得运算简便。27×17/26
＝（26＋1）×17/26
＝26×17/26＋1×17/26
＝17＋17/26
＝17又17/26
3、528-99
解析：利用凑整法和减法结合律计算，先利用凑整法把99变换为（100-1），再运用a-b-c=a-(b+c)来简便计算，步骤如下：
528-99
=528-（100-1）
=528-100+1
=428+1
=429
4、1.2×2.5+0.8×2.5
解析：运用提取公因数的方法，公式：ac+ab=a(b+c)，提取公因数2.5，1.2和0.8相加正好凑整数，使得运算简便。
1.2×
2.5+0.8×2.5
=（1.2+0.8）×2.5
=2×2.5
=5
5、2.96×40
解析：此题先利用乘法分配律，把2.96×40转换成29.6x4，再利用乘法结合律来简便计算。
2.96×40
=29.6x4
=（30-0.4）x4
=30×4+0.4×4
=120-1.6
=118.4
1.
4×102－2×49
=408-2×49
=408-98
=310
2.
25×（2+4）
=25×2+25×4
=50+100
=150
3.
12×5+8
=60+8
=68
4.
99×101
=99×(100+1) =99×100+99×1 =9900+99
=9999
5.
25×（78×4）
=25×4×78
=100×78
=7800
6.
（25＋12）×4
=25×4+12×4 =100+48
=148
7.
1.4+0.7+8.6
=(1.4+8.6)+0.7 =10+0.7
=10.7
8.
56×27＋27×44 =27×(56+44)
=27×100
=2700
9.
56×99＋56
=56×(99+1)
=56×100
=5600
10.
125×25×8×4
=(25×4)×(125×8) =100×1000
=100000
12.
25×125×4
=(25×4)×125
=100×125
=12500
13.
125×47－47×25
=47×(125－25)
=47×100
=4700
14.
124×38＋65×124＋76×110－76×7 =124×（38＋65）+76×（110－7）=124×103+76×103
=103×（124＋76）
=103×200
=20600
15.
233-157-43
=233-(157+43)
=233-200
=33
16.
125×32×25
=125×8×4×25
=（125×8）×（4×25）=1000×100
=100000
17.
1.25×(8+10)
=125×8+125×10
=1000+1250
=2250
18.
99＋99×99
=99×（99+1）
=99×100
=9900
25x(2十8)
=25X10
=250
脱式计算大全及答案
1、62×7.1+2.9 =440.2+2.9 =443.1 2、4.2×0.25 =（4+0.2）×0.25 =4×0.25+0.2×0.25 =1+0.05 =1.05 3、5.2×4.3+0.8×4.3 =（5.2+0.8）×4.3 =6×4.3 =25.8 运算方式 在四则运算中，加法和减法叫做第一级运算，乘法和除法叫做第二级运算。含有两种或两种以上的运算的算式，通常称为混合运算。加、减、乘、除的混合运算也叫做四则混合运算。在四则混合运算中，规定的计算先后次序，称为运算顺序。
1、4×102－2×49 =408-2×49 =408-98 =310 2、25×（2+4）=25×2+25×4 =50+100 =150 3、12×5+8 =60+8 =68 4、99×101 =99×(100+1) =99×100+99×1 =9900+99 =9999
5、25×（78×4）=25×4×78 =100×78 =7800 6、（25＋12）×4 =25×4+12×4 =100+48 =148 7、1.4+0.7+8.6 =(1.4+8.6)+0.7 =10+0.7
=10.7 1、24.6-3.98+5.4-6.02 解析：此题利用加法交换结合律，凑整再计算。步骤如下： 24.6-3.98+5.4-6.02 =（24.6+5.4）-（3.98+6.02） =30-10 =20 2、27×17/26 解析：此题先用加法分配律，把27转换成（26＋1），再利用乘法结合律，使得运算简便。27×17/26 ＝（26＋1）×17/26 ＝26×17/26＋1×17/26
脱式计算题带答案
脱式计算题带答案 脱式计算题是一种常见的数学题型，在学生中广受喜爱。它的独特之处在于，解题时需要将数字从等式中脱离出来，以求得最后的答案。下面我们来看几个有趣的脱式计算题，并附上详细的解答过程。 题目一： 2 x [16 - 4(2 + 1)] = ? 解答过程： 先计算括号中的内容，2 + 1 = 3。然后再计算 4 x 3 = 12。将计算结果代入原式： 2 x [16 - 12] = 2 x 4 = 8。 题目二： (4 + 5) x (8 - 3)² = ? 解答过程：
首先计算括号内的内容，8 - 3 = 5。再将其平方：5² = 25。将计算结果代入原式： (4 + 5) x 25 = 9 x 25 = 225。 题目三： (12 - 3) x (6 - 2) + 8 = ? 解答过程： 先计算括号内的内容，12 - 3 = 9，6 - 2 = 4。将计算结果代入原式： 9 x 4 + 8 = 36 + 8 = 44。 通过以上例题，我们可以看出，脱式计算题的解答过程主要是通过将括号内的数值计算出来，然后代入等式中的相应位置。这样的题型旨在考察学生对数学运算符号和基本运算规律的掌握程度。
脱式计算题的特点在于它能够激发学生的思考能力和逻辑思维，让他们更灵活地运用数学知识解决实际问题。同时，通过解答这 些题目，学生还能加深对数学运算规律的理解和记忆。 当然，脱式计算题并不仅仅局限于加减乘除的基本运算。它还 可以融入其他数学概念，如分数、小数以及代数表达式等。这样 一来，不仅能够提高学生的计算能力，还能够帮助他们进一步理 解数学的抽象概念。 综上所述，脱式计算题是一种既有趣又富有挑战性的数学题型。通过解答这些题目，学生能够培养自己的思考能力和逻辑思维， 进一步提高数学运算的准确性和灵活性。无论是在课堂上还是在 考试中，脱式计算题都是一种有效的学习工具，值得广大学生认 真练习和掌握。
数学整数脱式计算题500道带答案
0.4×125×25×0.8 =（0.4×25）×（125×0.8) =10×100=1000 1.25×（8+10） =1.25×8+1.25×10 =10+12.5=22.5 9123-（123+8.8） =9123-123-8.8 =9000-8.8 =8991.2 1.24×8.3+8.3×1.76 =8.3×（1.24+1.76) =8.3×3=24.9 9999×1001 =9999×（1000+1） =9999×1000+9999×1 =10008999 14.8×6.3-6.3×6.5＋8.3×3.7 =（14.8-6.5）×6.3＋8.3×3.7 =8.3×6.3+8.3×3.7 8.3×（6.3＋3.7） =8.3×10
=83 1.24+0.78+8.76 =（1.24+8.76）+0.78 =10+0.78 =10.78 933-157-43 =933-（157+43） =933-200 =733 4821-998 =4821-1000+2 =3823 32×125×25 =4×8×125×25 =（4×25）×（8×125）=100×1000 =100000 9000÷72×(1.25×0.7×8) =9000÷72×7 =125×7 =875 1.25×(8+10)
=1.25×8+1.25×10 =10+12.5 =22.5 1.24+0.78+8.76 =(1.24+8.76)+0.78 =10+0.78 =10.78 1/2-(4/5-1/2) =1/2+1/2-4/5 =1-4/5 =1/5 4800÷25÷4 =4800÷(25x4) =4800÷100 =4800÷100 =48 2/5-(3/8-3/5) =2/5+3/5-3/8 =1-3/8 =5/8 3/4-(3/7-1/4) =3/4+1/4-3/7
25道脱式计算题带答案
25道脱式计算题带答案 1、1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5 2、1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78 3、1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/5 4、4800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=48 5、2/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/8 6、3/4-(3/7-1/4)=3/4+1/4-3/7=1-3/7=4/7 7、3.2x0.125x2.5=0.125x8x(0.4x2.5)=1x1=1 8、0.4×125×25×0.8=(0.4×25)×(125×0.8)=10×100=1000 9、1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5 10、9123-(123+8.8)=9123-123-8.8=9000-8.8=8991.2 11、1.24×8.3+8.3×1.76=8.3×(1.24+1.76)=8.3×3=24.9 12、9999×1001=9999×(1000+1)=9999×1000+9999×1=10008999 13、14.8×6.3-6.3×6.5+8.3×3.7=(14.8- 6.5)×6.3+8.3×3.7=8.3×6.3+8.3×3.7=8.3×(6.3+3.7)=8.3×10=83 14、1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78
15、933-157-43=933-(157+43)=933-200=733 16、4821-998=4821-1000+2=3823 17、32×125×25=4×8×125×25=(4×25)×(8×125)=100×1000=100000 18、1.8+18÷1.5-0.5×0.3=1.8+12-0.15=13.8-0.15=13.65 19、6.5×8+3.5×8-47=52+28-47=80-47 20、3.7x2.56-2.3=9.472-2.3=7.172 21、1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78 22、1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/5 23、4800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=48 24、2/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/8 25、3/4-(3/7-1/4)=3/4+1/4-3/7=1-3/7=4/7 26、3.2x0.125x2.5=0.125x8x(0.4x2.5)=1x1=1 27、0.4×125×25×0.8=(0.4×25)×(125×0.8)=10×100=1000 28、1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5 29、9123-(123+8.8)=9123-123-8.8=9000-8.8=8991.2 30、1.24×8.3+8.3×1.76=8.3×(1.24+1.76)=8.3×3=24.9
三十道脱式计算五年级上册带答案
三十道脱式计算五年级上册带答案1、65×14+55 ＝965 81×11+8 ＝899 2、65×50×4 ＝13000 25×64×125 ＝120000 3、11×77－56 =847-56 ＝791 4、（52+53）÷3 ＝105÷3 =35 5、72÷6×48 ＝576 6、17×25×8 ＝3400
7、（95+55）×12 ＝1800 8、0.4×125×25×0.8 =（0.4×25）×（125×0.8) =10×100 =1000 9、1.25×（8+10） =1.25×8+1.25×10 =10+12.5 =22.5 10、9123-（123+8.8） =9123-123-8.8 =9000-8.8 =8991.2
11、1.24×8.3+8.3×1.76 =8.3×（1.24+1.76) =8.3×3 =24.9 12、408－12×24 = 408 - 288 = 120 13、（46＋28）×60 = 74 x 60 = 4440 14、42×50－17 = 2100- 17 = 2083
15、32＋105÷5 = 32 + 21 = 53 16、420×（327－238） = 420 x 89 = 37380 17、(4121+2389)÷7 = 6510 ÷7 = 930 18、3.416÷（0.016×35） = 3.416 ÷0.56 = 6.1 19、0.8×[(10－6.76)÷1.2] = 0.8 x(3.24÷1.2) = 0.8 x 2.7 = 2.16
20、5.67×0.2-0.62 = 1.134-0.62 = 0.514 21、0.4×0.7×0.25 = 0.4 x 0.25 x 0.7 = 0.1 x 0.7 = 0.07 22、0.78+5.436+1 = 6.216 +1 = 7.216 23、30.8÷[14－(9.85＋1.07)] = 30.8 ÷(14 - 10.92) = 30.8÷3.08 = 10 24、[60－(9.5＋28.9)]÷0.18
四年级脱式计算题大全带答案
四年级脱式计算题大全带答案 1、125+25*6=275 2、120-605*5=-2905 3、1024/16*3=192 4、(135+415)/5+16=126 5、164-13*5+85=184 6、330/(65-50)=22 7、128-6*8/16=125 8、64*(12+65/13)=1088 9、5940/45*(798-616)=24024 10、(315*40-364)/7=1748 11、(2010-906)*(65+15)=88320 12、(20+120/24)*8=200 13、40*20-200=600 14、288/((26-14)*8)=3 15、500*6-(50*2-80)=2980 16、(105*12-635)/25=25 17、(845-15*3)/16=50 18、95/(64-45)=5 19、178-145/5*6+42=46 20、(58+37)/(64-9*5)=5 21、106*9-76*9=270 22、117/13+37*(65+35)=3709 23、540-(148+47)/13=52524、(308-308/28)*11=3267 25、(238+7560/90)/14=23 26、21*(230-192/4)=3822 27、19*96-962/74=1811 28、10000-(59+66)*64=2000 29、5940/45*(798-616)=24024 30、(315*40-364)/7=1748 31、735*(700-400/25)=502740 32、1520-(1070+28*2)=394 33、9405-2940/28*21=7200 34、920-1680/40/7=914 35、690+47*52-398=2736 36、148+3328/64-75=125 37、360*24/32+730=1000 38、2100-94+48*54=4598 39、51+(2304-2042)*23=6077 40、4215+(4361-716)/81=4260 41、(247+18)*27/25=286.2 42、36-720/(360/18)=0 43、1080/(63-54)*80=9600 44、(528+912)*5-6178=1022 45、(10+120/24)*5=75 46、2800/ 100+789=817
六年级30道脱式计算题带答案
六年级30道脱式计算题带答案62×7.1+2.9, =440.2+2.9, =443.1； 4.2×0.25, =（4+0.2）×0.25, =4×0.25+0.2×0.25, =1+0.05, =1.05； 5.2×4.3+0.8×4.3, =（5.2+0.8）×4.3, =6×4.3, =25.8． 8.5+1.5÷0.25×4, =8.5+6×4, =8.5+24, =32.5． 0.25×0.8+2.5% =0.2+2.5%, =0.225； 32×125×2.5, =4×8×125×2.5,
=8×125×（4×2.5）, =1000×10, =10000； 94÷（6.84×8.5-31.46÷0.55）, =94÷（58.14-57.2）, =94÷0.94, =100． 13÷0.4÷2.5, =13÷（0.4×2.5）, =13÷1, =13； 1.25× 2.5×0.8, =（1.25×0.8）×2.5, =1×2.5, =2.5； 1.5×101-1.5, =1.5×（101-1）, =1.5×100, =150； 4.8×101, =4.8×100+4.8×1, =480+4.8,
=484.8． 3.25× 4.7-7.8, =15.275-7.8, =7.475； 0.57+0.43×0.24, =0.57+0.1032, =0.6732． 945÷5÷3, =189÷3, =63； 152×3÷2, =456÷2, =228； 43×12×6, =516×6, =3096． 200+25×33, =200+825, =1025； （25+26）×48, =51×48, =2448．
90道脱式计算题带答案只有两部计算
90道脱式计算题带答案只有两部计算62×7.1+2.9 =440.2+2.9 =443.1 4.2×0.25 =(4+0.2)×0.25 =4×0.25+0.2×0.25 =1+0.05 =1.05 5.2×4.3+0.8×4.3 =(5.2+0.8)×4.3 =6×4.3 =25.8 8.5+1.5÷0.25×4 =8.5+6×4 =8.5+24 =32.5 0.25×0.8+2.5% =0.2+2.5% =0.225 32×125×2.5 =4×8×125×2.5
=8×125×(4×2.5) =1000×10 =10000 94÷(6.84×8.5-31.46÷0.55) =94÷(58.14-57.2) =94÷0.94 =100 13÷0.4÷2.5 =13÷(0.4×2.5) =13÷1 =13 1.25× 2.5×0.8 =(1.25×0.8)×2.5 =1×2.5 =2.5 1.5×101-1.5 =1.5×(101-1) =1.5×100 =150 4.8×101 =4.8×100+4.8×1 =480+4.8
3.25× 4.7-7.8 =15.275-7.8 =7.475 0.57+0.43×0.24 =0.57+0.1032 =0.6732 945÷5÷3 =189÷3 =63 152×3÷2 =456÷2 =228 43×12×6 =516×6 =3096 200+25×33 =200+825 =1025 (25+26)×48 =51×48
576-(290+107) =576-397 =179 649+124-556 =773-556 =217 4.82- 5.2÷0.8×0.6 =4.82-6.5×0.6 =4.82-3.9 =0.92
四年级上册脱式计算100题及答案
四年级上册脱式计算100题及答案 (1)56÷28－2 = = (2)(97－58)×6 = = (3)65÷65＋9 = = (4)81÷81÷1 = = (5)(67－30)×70 = = (6)45＋85＋70 = = (7)(96－68)÷7 = = (8)38÷19－2 = = (9)(44＋55)÷3 = = (10)83－51－11 = = (11)94×60×96 = = (12)(68－54)÷1 = = (13)62×30×58 = = (14)17×5－40 = = (15)99×97－67 = = (16)11÷11＋61 = = (17)39÷13－3 = = (18)86×72÷86 = = (19)(52－37)×40 = = (20)92－52＋77 = = (21)48÷16＋14 = = (22)(24＋63)×19 = = (23)43×35－74 = = (24)(64－15)×22 = = (25)80÷40×53 = = (26)63－45－6 = = (27)(62－19)×95 = = (28)36＋1－31 = = (29)(22－20)×82 = = (30)75÷75＋32 = = (31)48÷48＋80 = = (32)83－72－5 = = (33)61－29＋51 = =
(34)(88－46)÷3 = = (35)50÷5＋99 = = (36)51×71－54 = = (37)56×75×74 = = (38)7÷1×14 = = (39)71×30×90 = = (40)54＋33＋42 = = (41)(5＋15)×20 = = (42)90÷9÷2 = = (43)74－44－7 = = (44)(83＋91)÷174 = = (45)(53－46)÷7 = = (46)(25＋75)×91 = = (47)(36＋48)÷84 = = (48)72÷36÷2 = = (49)55×54×40 = = (50)14×58＋84 = = (51)80×53－55 = = (52)18÷18＋80 = = (53)6－4＋87 = = (54)45×58－78 = = (55)(50－23)×74 = = (56)31－13＋41 = = (57)42÷21－1 = = (58)10÷2÷5 = = (59)59×61×8 = = (60)(64＋20)÷84 = = (61)(83＋93)×23 = = (62)51÷51－1 = = (63)52＋7＋23 = = (64)57＋66＋40 = = (65)(76＋38)×67 = = (66)66÷22÷3 = =
小学四年级上册脱式计算100题及答案
四年级上册数学脱式计算100题及答案 (1)25×24÷20 (2)84－16×40÷10 (3)(55＋650÷50）×32 (4)16×(52－125÷25) (5)592÷(40－24) (6)10×[(534＋12)÷39] (7)48×32÷32－44 (8)56×25÷35＋25(9)98×16－588÷21 (10)(96－57)×(546÷13) (11)(49×19－791)÷14 (12)40×(25＋208÷26) (13)1886÷46＋546 (14)[58＋(45－12)]×15 (15)871÷(47＋20) (16)47×(32－77÷11)
(17)(154÷14＋93）×48 (18)(130＋80)÷21 (19)(56－1188÷44）×42 (20)17×21－(98－12) (21)(174÷29＋10）×50 (22)6110÷94－25 (23)128＋(36＋216)÷21 (24)169＋(10＋12)÷11 (25)7×(46－578÷34)(26)(35×31＋801)÷46 (27)1728÷72×43－38 (28)18×(44＋245÷35) (29)(1161÷43－18）×18 (30)22×28－(57－26) (31)68÷(80－46) (32)678－1222÷13 (33)49×[(149－11)÷23] (34)(65-40)＋13×20
(35)3330÷37＋854 (36)81×32÷72 (37)366－4810÷65 (38)(352÷32－8）×13 (39)4234÷73＋514 (40)(29－1144÷44）×35 (41)168÷(87－45) (42)200＋114÷38 (43)360÷36＋602(44)1596÷(23×39－855) (45)[88－(95－64)]×43 (46)2392÷46＋35×65 (47)130－(472＋193)÷95 (48)126÷63×40－74 (49)46－(3817－1815)÷77 (50)(391÷17－19）×5 (51)2244÷51＋94×83 (52)33＋(2105－701)÷78
六年级脱式200个带答案
六年级脱式200个带答案 1.45+15×6= 135 2.250÷5×8=400 3.6×5÷2×4=60 4.30×3+8=98 5.400÷4+20×5= 200 6.10+12÷3+20=34 7.(80÷20+80)÷4=21 8.70+(100-10×5)=120 9.360÷40+10= 19 10.40×20-200= 600 11.（80-25）*2= 110 12.70+45=115 13.90×2÷3= 60 14.16×6÷3= 32 15.300×6÷9= 200 16.540÷9×7=420 17.30×20÷15= 20 18.400÷4×7= 700 19.（350-80）÷9= 30 20.160+70+50=280 21.18-64÷8= 10
22.42÷6+20=27 23.40-5×7= 5 24.80+60÷3=100 25.41+18÷2= 50 26.75-11×5= 20 27.42+7-29= 20 28.5600÷80=70 29.25×16÷4= 100 30.120×25÷5= 600 31.36×11÷3= 132 32.1025÷25×8=328 33.336+70-6= 400 34.25×9×4= 900 35.200-33×3= 101 36.3020-1010=2010 37.12×50+10= 610 38.25×8+199= 399 39.23×11-13= 240 40.125÷25-5=0 41.4200-2200+200=2200 42.220+80-150=150 43.20×8×5= 800
脱式计算练习题带答案.doc
脱式计算练习题带答案264+159 + 47 892-537+469 763-386-363 72-704-7-29 900-473-227 406 + 369 + 94 683 + 258-383 359 + 432-189 81-814-9 460+177-177 698-245-155 456 + 299 + 81 542-128-272 853 + 109-853 63X7 + 540 550+45X9 838-4-6 544-6-24-9X 1054-54-3
1504-10X4 516-123 + 77 347X4-192 2762- 6X25 + 75X6 37X 100-37 451 + 544-3 34 + 306X2 7204-8-80 1865-468-332 4X38-12 3689 + 498-689 169 + 584 + 731 345 + 554-5 25X44-2 256 + 389+344 567X2X5 43X2 + 25X5 602X4-245X44-8 + 4864-6 9424-3-1004-44-4+64X4 5X7-484-64-7 + 364-6 37X4+19X8 102X4-4924-4
1564-3+1004-5 2154-5+4384-69754-5 + 13X7 72004-9-21004-6 210X4-5494-9 15444-8+102X5 31924-4+210X2 95254-5-19924-4 15684-7 + 36004-6 506 X 72004-9-500+100 -4-4 38344-6X41204-54-3 43X2 + 25X5 602X4-245X3 644-8+4864-6 9424-3-1004-5 644-4 + 64X4 5X7-484-6 424-7 + 364-6 37X4+19X8
脱式计算一千道及答案
脱式计算一千道及答案360÷[（12＋6）×5] 288÷[（26－14）×8] 500×6-(50×2-80) （105×12－635）÷25 864÷[（27－23）×12] （45＋38－16）×24 500－（240＋38×6） [64－（87－42）] ×15 （845－15×3）÷1612×[（49－28）÷7] 450÷[（84－48] ）÷12 （58+37）÷（64-9×5） 95÷（64-45） 178-145÷5×6+42 812-700÷（9+31×11） 85+14×（14+208÷26） （284+16）×（512-8208÷18） 120-36×4÷18+35 （58+37）÷（64-9×5） (6.8-6.8×0.55)÷8.5 0.12×4.8÷0.12×4.8 （3.2×1.5+2.5）÷1.6
6-1.6÷4= 5.38+7.85-5.37= 7.2÷0.8-1.2×5= 6-1.19×3-0.43= 6.5×（4.8-1.2×4）= 5.8×（3.87-0.13）+4.2×3.74 32.52-（6+9.728÷3.2）×2.5 [（7.1-5.6）×0.9-1.15] ÷2.5 5.4÷[2.6×（3.7-2.9）+0.62] 12×6÷（12-7.2）-6 12×6÷7.2-6 0.68×1.9+0.32×1.9 （58+370）÷（64-45） 420+580-64×21÷28 （136+64）×（65-345÷23）48.10.15-10.75×0.4-5.7 388+(5000-1000) 158+262+138 375+219+381+225 5001－247－1021－232 （181+2564）+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125)
脱式计算100道带答案三年级上册带答案,可以口算
脱式计算100道带答案三年级上册带答案,可以口算264÷8＋456 640＋60×4 56÷7＋36÷6 500×(400－396) = = = = = = = = 72÷9－5 564+264－453 750-(546+30) 65×9-450 = = = = = = = = 9×80+980 6700+72÷8 14+9×5 900÷ (71-68) = = = = = = = = 18-42÷6 12÷6＋45 8× (910-720) 760-540+110 = = = = = = = =
650+125-350 80×3+560 945-320-420 240÷6－25 = = = = = = = = 80× 7－180 160÷2＋230 400 ÷ 8 + 350 320÷8＋ 64 = = = = = = = = 270 ÷ 3 +15 63 ÷ 9 + 320 280+32× 6 30÷6×9 = = = = = = = = (690-240)÷ 5 （72÷9）+(56÷8) 54 ÷ 9 ×8 25× 4 ÷5 = = = = = = = = 360×8+150 60×(23-17) 22×4＋221 21×3＋410 = = = =
40÷2＋174 140＋72÷8 9×4＋420 2×80÷4 = = = = = = = = 120×5÷2 202＋36÷9 30÷5＋240 81÷9＋87 = = = = = = = = 66×5+77 921+7×4 80×6×2 770÷7+65 = = = = = = = = 807＋20÷2 100－50÷5 35－35÷7 302＋30×2 = = = = = = = = 600×8÷3 40＋100÷5 434＋25×5 60－12×3 = = = =
三年级上册数学脱式计算练习300题附答案
三年级上册数学脱式计算练习300题附答案 (1)6÷6×7 = = (2)201×2＋500 = = (3)35×7＋12 = = (4)234÷9 = = (5)91×2＋418 = = (6)104×1＋29 = = (7)226×1÷2 = = (8)267＋24＋216 = = (9)418－303＋175 = = (10)48÷6＋374 = = (11)106－18＋186 = = (12)105＋272＋10 = = (13)262＋273＋29 = = (14)4×115－407 = = (15)(197＋225)÷2 = = (16)54÷9×3 = = (17)4÷2＋418 = = (18)6÷1×2 = = (19)36÷9－4 = = (20)201－187－3 = = (21)234×2＋276 = = (22)5×59＋414 = = (23)24÷3×4 = = (24)3×128－350 = = (25)(187－84)÷1 = = (26)299－255－30 = = (27)64÷8×4 = =
(28)21÷7×2 = = (29)72×3－147 = = (30)5×19＋318 = = (31)347＋433＋265 = = (32)(327＋236)÷1 = = (33)223＋52＋186 = = (34)267－42＋154 = = (35)199÷1 = = (36)(210－145)÷5 = = (37)77×4÷1 = = (38)374－251－54 = = (39)6÷2－3 = = (40)31＋264－42 = = (41)422－358＋145 = = (42)2×172＋187 = = (43)49÷7－1 = = (44)1×164÷1 = = (45)267－143－51 = = (46)6÷3÷1 = = (47)15÷3－5 = = (48)461－244＋103 = = (49)367－153－55 = = (50)30÷6÷1 = = (51)317－183＋96 = = (52)(404＋381)÷1 = = (53)217×2＋139 = = (54)2×209＋143 = = (55)271－57－207 = = (56)5÷5÷1 = = (57)36÷6－1 = =
脱式计算带答案
脱式计算大全及答案1. 4×102－2×49 =408-2×49 =408-98 =310 2. 25×（2+4） =25×2+25×4 =50+100 =150 3. 12×5+8 =60+8 =68 4. 99×101 =99×(100+1) =99×100+99×1 =9900+99 =9999 5.
25×（78×4）=25×4×78 =100×78 =7800 6. （25＋12）×4 =25×4+12×4 =100+48 =148 7. 1.4+0.7+8.6 =(1.4+8.6)+0.7 =10+0.7 =10.7 8. 56×27＋27×44 =27×(56+44) =27×100 =2700 9. 56×99＋56 =56×(99+1)
=5600 10. 125×25×8×4 =(25×4)×(125×8) =100×1000 =100000 12. 25×125×4 =(25×4)×125 =100×125 =12500 13. 125×47－47×25 =47×(125－25) =47×100 =4700 14. 124×38＋65×124＋76×110－76×7 =124×（38＋65）+76×（110－7）=124×103+76×103 =103×（124＋76）
=20600 15. 233-157-43 =233-(157+43) =233-200 =33 16. 125×32×25 =125×8×4×25 =（125×8）×（4×25）=1000×100 =100000 17. 1.25×(8+10) =125×8+125×10 =1000+1250 =2250 18. 99＋99×99 =99×（99+1） =99×100