五年级上册数学书中计算题190道

五年级上册数学计算题6.7×0.3 2.4×6.2 0.56×0.04 3.7×4.6 0.29×0.07 6.5×8.4 3.2×2.5 2.6×1.08 0.86×7 3.5×1612.5×42 1.8×23 0.37×0.4 1.06×25 7×0.860.6×0.39 27×0.43 0.049×45 0.8×0.9 1.7×0.4525.2÷6 34.5÷15 7.83÷9 4.08÷8 0.54÷66.3÷14 72÷15 14.21÷7 1.8÷12 22.4÷424÷15 1.26÷18 43.5÷29 18.9÷27 1.35÷1528.6÷11 20.4÷24 3.64÷52 15.6÷12 328÷165.04÷6 76.5÷45 0.84÷287.65÷0.85 12.6÷0.28 62.4÷2.6 0.544÷0.16 1.44÷1.8 11.7÷2.6 19.4÷125.98÷0.23 19.76÷5.2 10.8÷4.5 21÷1.4 8.84÷1.76.21÷0.03 180.24 18÷2.4 1.8÷0.24 13.5÷3013.5÷0.3 13.5÷0.03 28÷18 78.6÷11 400÷7515÷16 1.5÷7 5.7÷9 5÷8 6.64÷3.3 9.4÷6 38.2÷2.7 12.4÷11 3.7÷2.2 220.5÷3 2.5÷0.4 25÷1.5 1.89÷0.54 7.1÷2.5 0.51÷0.22 32.5÷2.5 1.36×0.05 0.06×1.7 2.08×75 49÷2.62.3÷0.46 1.93+2.7 2.73×1.5 28.5÷15 8.3-2.63 脱式计算72×0.81+10.4 7.06×2.4-5.7 50.4×1.9-1.8 3.76×0.25+25.8 0.75×18÷0.15 2.07÷0.23÷0.45 21.36÷0.8-12.9 7.28+3.2÷2.51.08×0.8÷0.272.05÷0.82+33.6 44.28÷0.9÷4.1 9.07-22.78÷3.45.5×17.3+6.7×5.5 3.8+4.29+2.1+4.2解方程x+3.2=4.6 x-1.8=4 x-2=15 1.6x=6.4 x÷7=0.3x÷3=2.1 x+0.64=14.14 x+0.3=1.8 5x=1.5 2x-20=43+x=5.4 x-1.5=4 x-6=7.6 x÷1.1=3 x÷5=15 0.2x=6 3x+6=18 2x-7.5=8.5 16+8x=40 4x-3×9=29 2x+2.8×2=10.4 x+2.4x=5.1 2(x-2.6)=8 5(x+1.5)=17.5 x+4.8=7.28(x-6.2)=41.6 (x-3)÷2=7.5 13.2x+9x=33.3 8x-3x=105 x-6.5=3.2X÷8=0.4 6x+18=48 3(x+2.1)=10.5 12x-9x=8.7 x-0.36=16 5.4x+x=12.8 3.8+x=6.3 x-7.9=2.6 2.5x=14 x÷3=1.2 3.4x-48=26.8 2x-97=34.2 42x+25x=134 13(x+5)=1692(x-3)=5.8 5x+7=42 x÷4.2=2 3.6x-x=3.25简算0.25×4×4.78 1.2×2.5+0.8×2.5 0.65×201 4.8×0.251.5×105 0.034×0.6 102×0.452.33×0.5×40.5×1.25×2×8×11 3.2×2.5 104×2.5 1.25×(4-0.8)100.1×99+100.1 63×0.1 485×10.2-48.5 2.69×992.5×32×12.52011—2012年五年级第一学期计算题班别:____________姓名:____________成绩:_________一、直接写出得数。

(10分)1.5×4= 5.8+ 1.2= 45×0.2= 4.08÷8=0.54÷0.6= 3.1- 2.9= 0.12÷3= 0.4×0.7=0.32×1000= 7÷100= 0.8+0.02= 0.84÷0.3=0.5= 0.44+0.6=2.5×0.4= 0.125×8=3.6÷0.4= 3.92+7.2=二、竖式计算。

(第(3)(5)题得数保留一位小数,第(6)题要验算,其中第(3)(5)(6)每题6分,其它每题4分,共30分)(1)7.6×0.9 (2)10.5×0. 3 (3)4.25×0.18(4) 0.3÷0.12(5)104.78÷26(6) 34.2÷0.8三、递等式计算,能简算的要简算。

(每题5分,共60分)8.7×10.1 7.06× 2.4-5.7 6.35÷0.8÷1.252.5×6.8×0.4 2.5×3.2×1.2521.36÷0.8×2.9102×0.45 8.27+7.52+1.73-3.52 0.79×99+0.790.15+0.75×18 72+8÷2.5-30.2 2.8×3.2+3.2×7.2四、解下列方程。

5.5+X=8 X-6=8.4 3X=2.7 X÷7=0.30.4X=16 5.4X+X=12.8 9X÷4=135 1.5×30-5X=103X-1.6=32.6 2X+1.5X =42 8(X-6.2)= 41.62X+2.8×2=10.4 2(X-2.6)=8 (X-3)÷2=7.5X+2.4X = 5.1 5X+3X=33.6 X-0.36X=16五年级上册计算题25×3=24÷6=0.16×5=1 .78×0.2= 2.5×3=2.4÷6= 1.2×5=0.7×0.01= 2.5×0.3=2.4÷0.6=75÷10=0.7÷0.01= 2.5×0.03= 2.4÷0.06=2.37+3.7=3.54+6.46= 2.5×0.4=125×0.8=25×8=9.6×0.6=5.6×3= 2.82+3.18= 44÷11= 1.5+0.25= 0.31×3=33÷10= 10.8÷1= 9.08×0+9= 0.1×0.1= 1.5+0.25=6.08×1000= 0.5+1÷1+0.5= 6.4÷4= 1.5÷4.2×3= 1.8×5= 2- 1.75= 2.05+0.75= 8.4÷0.4=10.6-2.7= 1.6×0.25=0.25×4×1.2= 2.3÷0.1= 4.5÷0.5=4.2×15×0=7.2÷0.8=3-0.98= 8.95÷0.895= 3.8×0.01=6×0.25=0.01×10=0.1+0.1×99=4.2÷3= 4.5×80=2.5×1.2=100-60.8= 10.4+7= 19.6-1.8=13.5÷5=5.6÷4=7.2÷16=7.2÷12= 4.8÷2= 0.14×0.3=3.8+4.9=0÷3.5= 3.5÷3.5=9.2-8.6= 10.1-8.1= 3.59-1.9=18×0.2= 10×0.05= 3.4×0.3= 20÷100= 1.8÷6=1.25×0.8= 0.42÷0.7= 1.5÷5= 5.1÷0.3=五年级上册计算能力检测二、列竖式计算。

(20分)3.5×16= 0.19×7.5= (验算)227.8÷0.34=7.525÷0.38= 78. 6÷11=(得数精确到百分位) (得数用循环小数表示)三、计算下列各题。

(能简算的要简算,并写出主要过程)(36分)5.65×1.8+4.35×1.8 2.5×1.25×3.2 63×10.19.76×0.72-0.76×0.72 12.6×99 90÷25÷423.4÷7.8-2.3 5.4+4.6×15 0.84÷7+0.36×8四、解方程。

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五年级上册数学口算练习1000道

五年级上册数学口算练习1000道

五年级上册数学口算练习1000道There are several errors in the formatting of this text。

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Here is a revised n of the text:4.25 x 4 = 170.07 x 0.5 = 0.03533 x 0.04 = 1.326.5 x 4 = 262.3 x 0.06 = 0.13815 x 0.08 = 1.20.09 x 0.9 = 0.0814.7 x 0.1 = 0.4754 x 0.8 = 43.21.6 x 0.03 = 0.0480.8 x 0.9 = 0.720.6 x 100 = 6017.5 x 0.01 = 0.175 3.2 x 0.5 = 1.625 x 0.4 = 10 12.5 x 0.8 = 106 x 6.5 = 393.6 x 0.7 = 2.52 6.5 x 0.4 = 2.68.5 x 0.2 = 1.70.66 x 0.3 = 0.198 2.5 x 0.4 = 17.7 x 0.8 = 6.16 0.012 x 20 = 0.244.6 x 0.4 = 1.84 0.75 x 0.4 = 0.323 x 4 = 924.73 x 10 = 47.33.3 x 0.5 = 1.6560 - 250 = -1900.17 + 0.06 = 0.231.02 - 0.09 = 0.937200 ÷ 800 = 90.17 + 0.6 = 0.770.83 - 0.6 = 0.2317 x 3 = 510.98 - 0.09 = 0.890.2 + 0.78 = 0.98670 + 250 = 92010.2 + 0.2 = 10.49.2 - 6 = 3.2In this list of math problems。

小学五年级数学计算题200道(含分数)和答案

小学五年级数学计算题200道(含分数)和答案

小学五年级数学计算题200道(含分数)和答案小学五年级数学计算题200道一、列竖式计算下面各题:1) 98.6 × 0.35 =2) 5.34 ÷ 2.2 =3) 2.38 × 1.5 = 3.57(商用分数表示)4) 8.466 ÷ 1.02 =5) 2.132 ÷ 0.41 =6) 9.4 × 720 =7) 3.76 ÷ 0.235 =8) 3.126 × 0.9 ≈ 2.81(结果保留两位小数)9) 5.02 × 3.6 =10) 3.9 ÷ 0.65 =11) 0.83 × 4.7 ≈ 3.90(结果保留两位小数)12) 2.04 × 6.5 ≈ 13.26(结果保留两位小数)13) 84.6 ÷ 2.1 ≈ 40.29(商保留两位小数)14) 8.84 ÷ 1.7 ≈ 5.20(商保留一位小数)15) 67.2 ÷ 0.042 =16) 3.38 ÷ 1.8 = 1.88(商用分数表示)17) 13.32 ÷ 15 ≈ 0.89(商精确到百分位)18) 15.4 × 3.2 =19) 23 ÷ 0.46 ≈ 50.00(商保留两位小数)20) 1.5 × 0.008 =21) 19.44 ÷ 2.6 ≈ 7.48(结果精确到百分位)22) 2.4 × 2.6 =23) 1.05 × 1.8 =24) 17.1 ÷ 4.5 ≈ 3.80(结果保留两位小数)25) 0.0688 ÷ 0.43 =26) 12.7 × 5.8 =27) 8.27 ÷ 1.1 = 7.52(商用分数表示)28) 27.5 × 0.046 ≈ 1.27(结果保留两位小数)29) 51.3 ÷ 0.27 =30) 28.35 ÷ 7.5 =31) 5.12 × 6.5 =32) 2.21 ÷ 0.026 =33) 5.4 × 8.25 =34) 28.35 ÷ 7.5 =35) 36 ÷ 48 =36) 6.7 ÷ 2.4 ≈ 2.79(结果保留两位小数)37) 14.03 ÷ 6.1 ≈ 2.30(结果保留两位小数)38) 4.7 × 0.59 ≈ 2.77(结果精确到百分位)39) 7.8 ÷ 2.2 = 3.55(商用分数表示)40) 51.3 ÷ 0.27 =41) 18.33 ÷ 2.6 ≈ 7.05(结果保留两位小数)42) 0.345 × 6.4 =二、计算下面各题,能简算的要简算:1) –(-) =2) ÷ + 3/636 ≈ 1.16(结果保留两位小数)3) 417/3 –(12 + 6)/7 ≈ 135.57(结果保留两位小数)4)5) 2 – 3 – 8 + 7 = -26) 213/3 – 2 + 4 = 717) 4 + 4 – 2 + 3 = 98) 12 – 5/12 – 7/12 = 11/49) 8 – (11/95 –9) ≈ 8.09(结果保留两位小数)10) 22 –(5 + 3/178) ≈ 21.98(结果保留两位小数)11) 6.72 – 7/12 – 5/12 –5/458 ≈ 6.18(结果保留两位小数)12) 1 + 0.25 –1/68 ≈ 1.22(结果保留两位小数)13) +0.3 – = 0.314) ++ =15) 2 – + = 216) 2-3+319) 712+235+522) 1-(3524-8)20) 3-7613-1323)12+13+2÷36++12+12+1821) 13-16-1124) 23-4811-3618) 43+138-4+325) 43-527) 0.6-xxxxxxxx8) 0.75+1831) 15-368-34) 14-) 715-) 5+87+38+2735) 2.5-) 1/2-(34-1/2)33) 15.4+30/0.2136) 12.8/(2.4+1.6×2.5)37) 4-2.75-(0.25)38) 8-39) 40×28.5÷0.xxxxxxx/940) 0.85-114+543) 7.25÷0.25×446)7+7+1+xxxxxxx+49) 99×2.xxxxxxx-((7+1131)/1020-(10-20))42) 5.8×8-1.844) 1.63×8×2.545) 5.5×3.5+6.5×547) -7+448) 5+15-350) 1.6×2.5+0.4×2.551) 0.8×(6-8.5÷1.7)852) (72.8÷0.8-1)×4.2653) -++5155) 0.64÷1.6÷0.558) 5-0.42÷1.2-0.6561) 12-3÷5-2/564) 0.95-4/56) 8.5÷1.25÷859) 7.2÷2.4-0.462) 7-(22/915-9)65)9.1×1.2÷6.xxxxxxxx) 0.83÷2.5÷460) (5.6+0.12)÷0.863) 78/15-0.375+15-0.) 2.5×8×0.4×0.12567) 求 7.575 ÷ [(7.91 - 4.16) × 0.2],先计算括号内的值,得到 0.75,再乘以 0.2 得到 0.15,最后将 7.575 除以 0.15,得到答案 50.5.68) 求 102 × 8.5,将两个数相乘得到答案 867.70) 求 (30.5 - 15.64 - 12.36) × 0.471,先计算括号内的值,得到 2.5,再乘以 0.471 得到 1.1785.73) 求 9 + (5 + 7) + 6,先计算括号内的值,得到 12,再加上 9 和 6 得到答案 27.74) 求 12 ÷ (2.4 + 1.6 × 0.5),先计算括号内的值,得到 3,再将 12 除以 3,得到答案 4.76) 求 4.35 × 8.2 ÷ 30,先将两个数相乘得到 35.67,再除以 30,得到答案 1.189.77) 求 12 × 5.8 × 4.5,将三个数相乘得到答案 313.2.79) 求 3.6 × 2.5 + 6.4 × 2.5,先将两个乘积分别计算得到 9 和 16,再将它们相加得到答案 25.81) 求 1523 + (12 - 5),先计算括号内的值,得到 7,再将1523 加上 7 得到答案 1530.82) 求 3.2 × 98,将两个数相乘得到 313.6.83) 求 94.5 ÷ (28.5 ÷ 3.8) × 5.5,先将 28.5 除以 3.8 得到7.5,再将 94.5 除以 7.5 得到 12.6,最后将 12.6 乘以 5.5 得到答案 69.3.84) 求 58.3 × 9 + 58.3,先将 58.3 × 9 计算得到 524.7,再加上 58.3 得到答案 583.85) 求 4 ÷ (2.1 - 2.09) × 2.5,先将括号内的值计算得到 0.1,再将 4 除以 0.1 得到答案 40.88) 求 (25 + 125) × 4 × 8,先将括号内的值计算得到 150,再将 150 × 4 × 8 得到答案 4800.91) 求 2.1 ÷ 3.5 ÷ 0.4,先将 2.1 除以 3.5 得到 0.6,再将0.6 除以 0.4 得到答案 1.5.94) 求 7 - 1 + 4,先将 7 减去 1 得到 6,再加上 4 得到答案10.96) 求 (4.32 - 0.64) ÷ 0.23,先将括号内的值计算得到 3.68,再将 3.68 除以 0.23 得到答案 16.97) 求 1 - (2 + 0),先将括号内的值计算得到 2,再将 1 减去 2 得到答案 -1.98) 求 -(-),这是一个无意义的表达式,没有答案。

五年级上册数学口算题100道带答案快

五年级上册数学口算题100道带答案快

五年级上册数学口算题100道带答案快匿名网友:2.8×0.4= 1.12 14-7.4=6.6, 1.92÷0.04=48,0.32×500=160, 0.65+4.35= 5 10-5.4=4.6, 4÷20=0.2, 3.5×200=700, 1.5-0.06=1.44 0.75÷15=0.05, 0.4×0.8=0.32, 4×0.25=1, 0.36+1.54=2 1.01×99=99.99, 420÷35=12, 25×12=300, 135÷0.5=270 3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/41/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4 3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5 0.51÷17=0.03, 32.8+19=51.8, 5.2÷1.3=4, 1.6×0.4=0.64 4.9×0.7=3.43, 1÷5=0.2, 6÷12=0.5, 0.87-0.49=0.38 2/1_2=1 3/1_3=1 3/2_3=2 3/1_6=2 4/3_8=65/3_20=12 7/3_14=6 8/7_40=35 4/3_16=12 9/5_27=152/1_30=15 12/7_24=14 30/1_30=1 51/9_102=18 19/9_76=36 4/9_8=18 5/8_90=144 99/98_99=98 3/14_6=28 7/1_28=410/1_90=9 5/3_105=63 19/7_38=14 5/1_25=5 8/19_16=3861/60_122=120 7/2_28=8 6/1_48=8 9/7_18=14 25/7_100=28 9/5_81=45 8/9_16=18 2/1_2=1 3/1_3=1 3/2_3=2 3/1_6=24/3_8=6 5/3_20=12 7/3_14=6 8/7_40=35 4/3_16=129/5_27=15 2/1_30=15 12/7_24=14 30/1_30=1 51/9_102=18 19/9_76=36 4/9_8=18 5/8_90=144 99/98_99=98 3/14_6=287/1_28=4 10/1_90=9 5/3_105=63 19/7_38=14 5/1_25=58/19_16=38 61/60_122=120 7/2_28=8 6/1_48=8 9/7_18=14 25/7_100=28 9/5_81=45 8/9_16=18 12÷3/5=12×(5/3)9÷6/7=9×( 7/6 ) 30÷5/6=30×(6/5 )4×(3/2 )=4÷2/3 4÷5/7=4×7/5 3÷4/5=3×5/4 24÷7/16=24×(16/7 )A÷C/B=A×B/C 4÷4/5=5 6÷3/4=8 10÷2/5=25 18÷4/9=81/2 4×4/5=16/5 6×3/4=18/4 10×2/5=418×4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/2 1÷5/7=7/53/4÷3=1/4 1/3÷2=1/6 4/5÷6=2/15 5/7÷1=5/7 2/1_2=13/1_3=1 3/2_3=2 3/1_6=2 4/3_8=6 5/3_20=12 7/3_14=68/7_40=35 4/3_16=12 9/5_27=15 2/1_30=15 12/7_24=1430/1_30=1 51/9_102=18 19/9_76=36 4/9_8=18 5/8_90=144 99/98_99=98 3/14_6=28 7/1_28=4 10/1_90=9 5/3_105=6319/7_38=14 5/1_25=5 8/19_16=38 61/60_122=120 7/2_28=8 6/1_48=8 9/7_18=14 25/7_100=28 9/5_81=45 8/9_16=18 25 -15 -80 = 10 -80 = -70 26 -6 -64 = 20 -64 = -44 27 + 3 -48 = 30 -48 = -18 28 + 12 -32 = 40 -32 = 8 29 + 21 -16 = 50 -16 = 34 30 + 30 + 0 = 60 + 0 = 60 31 + 39 +16 = 70 + 16 = 86 32 + 48 + 32 = 80 + 32 = 112 33 + 57 + 48 = 90 + 48 = 138 34 + 66 + 64 = 100 + 64 = 164 35 + 75 + 80 = 110 + 80 = 190 36 + 84 + 96 = 120 + 96 = 216 37 + 93 + 112 = 130 + 112 = 242 38 + 102 + 128 = 140 + 128 = 268 39 + 111 + 144 = 150 + 144 = 294 40 -30 -140 = 10 -140 = -130 41 -21 -124 = 20 -124 = -104 42 -12 -108 = 30 -108 = -78 43 -3 -92 = 40 -92 = -52 44 + 6 -76 = 50 -76 = -26 45 + 15 -60 = 60 -60 = 0 46 + 24 -44 = 70 -44 = 26 47 + 33 -28 = 80 -28 = 52 48 + 42 -12 = 90 -12 = 78 49 + 51 + 4 = 100 + 4 = 104 50 + 60 + 20 = 110 + 20 = 130 51 + 69 + 36 = 120 + 36 = 156 52 + 78 + 52 = 130 + 52 = 182 53 + 87 + 68 = 140 + 68 = 208 54 + 96 + 84 = 150 + 84 = 234 55 -45 -200 = 10 -200 = -190 56 -36 -184 = 20 -184 = -164 57 -27 -168 = 30 -168 = -138 58 -18 -152 = 40 -152 = -112 59 -9 -136 = 50 -136 = -86 60 + 0 -120 = 60 -120 = -60 61 + 9 -104 = 70 -104 = -34 62 + 18 -88 = 80 -88 = -8 63 + 27 -72 = 90 -72 = 18 64 + 36 -56 = 100 -56 = 44 65 + 45 -40 = 110 -40 = 70 66 + 54 -24 = 120 -24 = 96 67 + 63 -8 = 130 -8 = 122 68 + 72 + 8 = 140 + 8 = 148 69 + 81 + 24 = 150 + 24 = 174 70 -60 -260 = 10 -260 = -250 71 -51 -244 = 20 -244 = -224 72 -42 -228 = 30 -228 = -198 73 -33 -212 = 40 -212 = -172 74 -24 -196 = 50 -196 = -146 45+15×6= 135 2.250÷5×8=400 3.6×5÷2×4=604.30×3+8=985.400÷4+20×5= 2006.10+12÷3+20=347.(80÷20+80)÷4=21 8.70+(100-10×5)=120 9.360÷40= 9 10.40×20= 800 11.80-25= 55 12.70+45=115 13.90×2= 180 14.16×6= 96 15.300×6= 1800 16.540÷9=60 17.30×20= 600 18.400÷4= 100 19.350-80= 270 20.160+70=230 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= 2028.5600÷80=70 29.25×16= 400 30.120×25= 300031.36×11= 396 32.1025÷25=41 33.336+70= 40634.25×9×4= 900 35.200-33×3= 36.3020-0=20__37.12×50= 600 38.25×8= 200 39.23×11= 25340.125÷25=5 41.4200-2200=2000 42.220+80= 30043.20×8×5= 800 44.600-3×200=0 45.20+20÷2= 3046.35-25÷5= 30 47.36+8-40= 4 48.2800÷40=7049.98÷14 = 7 50.96÷24 = 4 51.56÷14 =4 52.65÷13 = 5 53.75÷15 = 5 54.120÷24 =5 55.200÷25 = 8 56.800÷16 = 5057.840÷21 =40 58.560÷14 = 40 59.390÷13 = 3060.600÷15 =40 61.72÷24 = 3 62.85÷17 = 5 63.90÷15=6 64.96÷16 = 6 65.78÷26 = 4 66.51÷17 =3 67.80÷40 = 2 68.100÷20 = 5 69.100÷4 =25 70.240÷40 = 671.920÷4 = 230 72.300÷60=5 73.64÷2 = 32 74.64÷4 = 16 75.50÷5 =10 76.60÷8 = 7.5 77.96÷4 = 24 78.90÷6 =15 79.400+80 = 480 80.400-80 = 320 81.40×80 =3200 82.400÷80 = 5 83.48÷16 = 3 84.96÷24 =4 85.160×5= 800 86.4×250= 1000 87.0×518= 0 88.10×76= 76089.36×10=360 90.15×6= 90 91.24×3= 72 92.5×18= 90 93.26×4= 74 94.7×15=105 95.32×30= 960 96.40×15=600 97.60×12= 720 98.23×30= 690 99.30×50=1500100.5×700=3500123+25=148 123-35=88 56×7=392135÷5=27 248+89=337 ... 146-23=123 ... 155×5=775 ... 456-12=38... 456+45=501 ...546-457=89 ...45×10=451 ... 564-12=47... 879+54=933 ...896-546=350 ...56×12=672.... 45-5=9... 457+456=913...7+14=21 ... 18-9=9... 8+16=24 ... 25-5=20... 9+18=27... 56-45=11... 10+20=30... 45-23=22... 11+22=33... 78-23=55... 12+24=36... 10-3=7 15-4=11 20-5=15 25-6=1930-7=23 35-8=27 40-9=31 45-10=35 50-11=39 55-12=43 60-13=47 65-14=51 70-15=55 75-16=59 80-17=63 85-18=67 90-19=71 95-20=75 100-21=79 105-22=83 110-23=87 115-24=91120-25=95 125-26=99 130-27=103 13+26=39... 14+28=42... 15+30=45... 16+32=48... 17+34=51... 18+36=54...19+38=57... 20+40=60... 21+42=63... 22+44=66...23+46=69... 24+48=72... 25+50=75... 26+52=78...27+54=81... 28+56=84... 29+58=87... 30+60=90...31+62=93... 32+64=96... 33+66=99... 5 ÷1 =5 10 ÷2 =5 15 ÷3 =5 20 ÷4 =5 25 ÷5 =5 30 ÷6 =5 35 ÷7 =5 40 ÷8 =5 45 ÷9 =5 50 ÷10 =5 55 ÷11 =5 60 ÷12 =5 65 ÷13 =5 70 ÷14 =5 75 ÷15 =5 80 ÷16 5 85 ÷17 5 90 ÷18 5 95 ÷19 5 100 ÷20 5 2/1_2=1 3/1_3=1 3/2_3=23/1_6=2 4/3_8=6 5/3_20=12 7/3_14=6 8/7_40=35 4/3_16=12 9/5_27=15 2/1_30=15 12/7_24=14 30/1_30=1 51/9_102=18 19/9_76=36 4/9_8=18 5/8_90=144 99/98_99=98 3/14_6=287/1_28=4 10/1_90=9 5/3_105=63 19/7_38=14 5/1_25=58/19_16=38 61/60_122=120 7/2_28=8 6/1_48=8 9/7_18=14 25/7_100=28 9/5_81=45 8/9_16=18 12÷3/5=12×( 5/3)9÷6/7=9×( 7/6 )30÷5/6=30×(6/5 )4×(3/2 )=4÷2/3 ( 4 )÷5/7=4×7/5 3÷4/5=3×5/4 ( 24 )÷7/16=24×(16/7 )A÷C/B=A×B/C 4÷4/5=5 6÷3/4=8 10÷2/5=25 18÷4/9=81/2 4×4/5=16/5 6×3/4=18/410×2/5=4 18×4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/21÷5/7=7/5 3/4÷3=1/4 1/3÷2=1/6 4/5÷6=2/155/7÷1=5/7 2/1_2=1 3/1_3=1 3/2_3=2 3/1_6=2 4/3_8=65/3_20=12 7/3_14=6 8/7_40=35 4/3_16=12 9/5_27=152/1_30=15 12/7_24=14 30/1_30=1 51/9_102=18 19/9_76=36 4/9_8=18 5/8_90=144 99/98_99=98 3/14_6=28 7/1_28=410/1_90=9 5/3_105=63 19/7_38=14 5/1_25=5 8/19_16=3861/60_122=120 7/2_28=8 6/1_48=8 9/7_18=14 25/7_100=28 9/5_81=452.8×0.4= 1.12 14-7.4=6.6, 1.92÷0.04=48, 0.32×500=160, 0.65+4.35= 5 10-5.4=4.6, 4÷20=0.2, 3.5×200=700, 1.5-0.06=1.44 0.75÷15=0.05, 0.4×0.8=0.32, 4×0.25=1, 0.36+1.54=2 1.01×99=99.99, 420÷35=12, 25×12=300, 135÷0.5=270 3/4 +1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/41/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4 3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5 0.51÷17=0.03, 32.8+19=51.8, 5.2÷1.3=4, 1.6×0.4=0.64 4.9×0.7=3.43, 1÷5=0.2, 6÷12=0.5, 0.87-0.49=0.38 1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)3.8+2-8+24.25_4/25_45.7.26-(5.26-1.5)6.286+1987.314-2028.526+301 9.223-99 10.6.25+3.85-2.125+3.875 11.9-2456_21 12.0.5/11.5-4_2.75 13.1/2×3/514.3.375+5.75+2.25+6.625 15.1001-9036÷1816.3.8×5.25+14.5 17.2.1_4.3+5.7_2.1 18.30×1/319.102_45-328 20.2/3×12 21.2.8_3.1+17.6/8 22.3/5×5/6 23.(50-12.5)/2.5 24.2/5×1/3 25.6110_47+639 26.1/2-1/6 27.3.5_2.7-52.2/18 28.1/7×1/529.3.375_0.97+0.97_6.625 30.25×4/531.6.54+2.4+3.46+0.6 32.5/6-1/2 33.95.6_1.8+95.6_8.2 34.1/2×1/5 35.600-420/12 36.344/3.6-5.4_0.2537.16/2+30/2+90/6 38.3001-1998. 39.5000-105_3440.0.15/0.25+0.75_1.2 41.(1/2+1/3+1/4)_0.2442.(25+4)_4 43.300-4263/21 44.0.81/0.25+5.9645.403÷13×27 46.1.5×4.2-0.75÷0.25 47.3.27×4+3.27×5.7 48.(1.2+ 1.8)×4.51025-768÷3249.0.25×80-0.45÷0.9 50.1025-768÷32 51.0.25_2.69_4 52.2348+275_16 53.2/9_15/8-1/12_9/5 54.2.4+2.4_(5.375-3.375) 55.645-45_12 56.0.15+1.2/0.24-0.45 57.3.75-(2.35+0.25/1.25) 58.76_1/4+23_25/100+0.25 59.10-2.87-7.13 60.0.96+9.6_9.9 61.7.5-5.7_1/3 62.12.37-3.25-6.75 63.16_6.8+2.2_16+16 64.401_19+284 65.58.7-16.65/3.7 66.0.4_4.7_2.5+(2.3+5.3) 67.9.31-1.125-7.87568.640+128_45 69.8.2_1.6-0.336/4.2 70.400_(0.62+0.08) 2/1_2=1 3/1_3=1 3/2_3=2 3/1_6=2 4/3_8=6 5/3_20=127/3_14=6 8/7_40=35 4/3_16=12 9/5_27=15 2/1_30=1512/7_24=14 30/1_30=1 51/9_102=18 19/9_76=36 4/9_8=18 5/8_90=144 99/98_99=98 3/14_6=28 7/1_28=4 10/1_90=95/3_105=63 19/7_38=14 5/1_25=5 8/19_16=3861/60_122=120 7/2_28=8 6/1_48=8 9/7_18=14 25/7_100=28 9/5_81=45 8/9_16=18 2/1_2=1 3/1_3=1 3/2_3=2 3/1_6=24/3_8=6 5/3_20=12 7/3_14=6 8/7_40=35 4/3_16=129/5_27=15 2/1_30=15 12/7_24=14 30/1_30=1 51/9_102=18 19/9_76=36 4/9_8=18 5/8_90=144 99/98_99=98 3/14_6=28 7/1_28=4 10/1_90=9 5/3_105=63 19/7_38=14 5/1_25=58/19_16=38 61/60_122=120 7/2_28=8 6/1_48=8 9/7_18=14 25/7_100=28 9/5_81=45 8/9_16=18 12÷3/5=12×( 5/3)9÷6/7=9×( 7/6 )30÷5/6=30×(6/5 )4×(3/2 )=4÷2/3 ( 4 )÷5/7=4×7/5 3÷4/5=3×5/4 ( 24 )÷7/16=24×(16/7 )A÷C/B=A×B/C 4÷4/5=5 6÷3/4=8 10÷2/5=25 18÷4/9=81/2 4×4/5=16/5 6×3/4=18/410×2/5=4 18×4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/21÷5/7=7/5 3/4÷3=1/4 1/3÷2=1/6 4/5÷6=2/155/7÷1=5/7 2/1_2=1 3/1_3=1 3/2_3=2 3/1_6=2 4/3_8=65/3_20=12 7/3_14=6 8/7_40=35 4/3_16=12 9/5_27=152/1_30=15 12/7_24=14 30/1_30=1 51/9_102=18 19/9_76=364/9_8=18 5/8_90=144 99/98_99=98 3/14_6=28 7/1_28=410/1_90=9 5/3_105=63 19/7_38=14 5/1_25=5 8/19_16=3861/60_122=120 7/2_28=8 6/1_48=8 9/7_18=14 25/7_100=289/5_81=45 8/9_16=18够了吧。

五年级上册数学口算题100道带答案快

五年级上册数学口算题100道带答案快

五年级上册数学口算题100道带答案快匿名网友:2.8×0.4= 1.12 14-7.4=6.6, 1.92÷0.04=48,0.32×500=160, 0.65+4.35= 5 10-5.4=4.6, 4÷20=0.2, 3.5×200=700, 1.5-0.06=1.44 0.75÷15=0.05, 0.4×0.8=0.32, 4×0.25=1, 0.36+1.54=2 1.01×99=99.99, 420÷35=12, 25×12=300, 135÷0.5=270 3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/41/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4 3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5 0.51÷17=0.03, 32.8+19=51.8, 5.2÷1.3=4, 1.6×0.4=0.64 4.9×0.7=3.43, 1÷5=0.2, 6÷12=0.5, 0.87-0.49=0.38 2/1_2=1 3/1_3=1 3/2_3=2 3/1_6=2 4/3_8=65/3_20=12 7/3_14=6 8/7_40=35 4/3_16=12 9/5_27=152/1_30=15 12/7_24=14 30/1_30=1 51/9_102=18 19/9_76=36 4/9_8=18 5/8_90=144 99/98_99=98 3/14_6=28 7/1_28=410/1_90=9 5/3_105=63 19/7_38=14 5/1_25=5 8/19_16=3861/60_122=120 7/2_28=8 6/1_48=8 9/7_18=14 25/7_100=28 9/5_81=45 8/9_16=18 2/1_2=1 3/1_3=1 3/2_3=2 3/1_6=24/3_8=6 5/3_20=12 7/3_14=6 8/7_40=35 4/3_16=129/5_27=15 2/1_30=15 12/7_24=14 30/1_30=1 51/9_102=18 19/9_76=36 4/9_8=18 5/8_90=144 99/98_99=98 3/14_6=287/1_28=4 10/1_90=9 5/3_105=63 19/7_38=14 5/1_25=58/19_16=38 61/60_122=120 7/2_28=8 6/1_48=8 9/7_18=14 25/7_100=28 9/5_81=45 8/9_16=18 12÷3/5=12×(5/3)9÷6/7=9×( 7/6 ) 30÷5/6=30×(6/5 )4×(3/2 )=4÷2/3 4÷5/7=4×7/5 3÷4/5=3×5/4 24÷7/16=24×(16/7 )A÷C/B=A×B/C 4÷4/5=5 6÷3/4=8 10÷2/5=25 18÷4/9=81/2 4×4/5=16/5 6×3/4=18/4 10×2/5=418×4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/2 1÷5/7=7/53/4÷3=1/4 1/3÷2=1/6 4/5÷6=2/15 5/7÷1=5/7 2/1_2=13/1_3=1 3/2_3=2 3/1_6=2 4/3_8=6 5/3_20=12 7/3_14=68/7_40=35 4/3_16=12 9/5_27=15 2/1_30=15 12/7_24=1430/1_30=1 51/9_102=18 19/9_76=36 4/9_8=18 5/8_90=144 99/98_99=98 3/14_6=28 7/1_28=4 10/1_90=9 5/3_105=6319/7_38=14 5/1_25=5 8/19_16=38 61/60_122=120 7/2_28=8 6/1_48=8 9/7_18=14 25/7_100=28 9/5_81=45 8/9_16=18 25 -15 -80 = 10 -80 = -70 26 -6 -64 = 20 -64 = -44 27 + 3 -48 = 30 -48 = -18 28 + 12 -32 = 40 -32 = 8 29 + 21 -16 = 50 -16 = 34 30 + 30 + 0 = 60 + 0 = 60 31 + 39 +16 = 70 + 16 = 86 32 + 48 + 32 = 80 + 32 = 112 33 + 57 + 48 = 90 + 48 = 138 34 + 66 + 64 = 100 + 64 = 164 35 + 75 + 80 = 110 + 80 = 190 36 + 84 + 96 = 120 + 96 = 216 37 + 93 + 112 = 130 + 112 = 242 38 + 102 + 128 = 140 + 128 = 268 39 + 111 + 144 = 150 + 144 = 294 40 -30 -140 = 10 -140 = -130 41 -21 -124 = 20 -124 = -104 42 -12 -108 = 30 -108 = -78 43 -3 -92 = 40 -92 = -52 44 + 6 -76 = 50 -76 = -26 45 + 15 -60 = 60 -60 = 0 46 + 24 -44 = 70 -44 = 26 47 + 33 -28 = 80 -28 = 52 48 + 42 -12 = 90 -12 = 78 49 + 51 + 4 = 100 + 4 = 104 50 + 60 + 20 = 110 + 20 = 130 51 + 69 + 36 = 120 + 36 = 156 52 + 78 + 52 = 130 + 52 = 182 53 + 87 + 68 = 140 + 68 = 208 54 + 96 + 84 = 150 + 84 = 234 55 -45 -200 = 10 -200 = -190 56 -36 -184 = 20 -184 = -164 57 -27 -168 = 30 -168 = -138 58 -18 -152 = 40 -152 = -112 59 -9 -136 = 50 -136 = -86 60 + 0 -120 = 60 -120 = -60 61 + 9 -104 = 70 -104 = -34 62 + 18 -88 = 80 -88 = -8 63 + 27 -72 = 90 -72 = 18 64 + 36 -56 = 100 -56 = 44 65 + 45 -40 = 110 -40 = 70 66 + 54 -24 = 120 -24 = 96 67 + 63 -8 = 130 -8 = 122 68 + 72 + 8 = 140 + 8 = 148 69 + 81 + 24 = 150 + 24 = 174 70 -60 -260 = 10 -260 = -250 71 -51 -244 = 20 -244 = -224 72 -42 -228 = 30 -228 = -198 73 -33 -212 = 40 -212 = -172 74 -24 -196 = 50 -196 = -146 45+15×6= 135 2.250÷5×8=400 3.6×5÷2×4=604.30×3+8=985.400÷4+20×5= 2006.10+12÷3+20=347.(80÷20+80)÷4=21 8.70+(100-10×5)=120 9.360÷40= 9 10.40×20= 800 11.80-25= 55 12.70+45=115 13.90×2= 180 14.16×6= 96 15.300×6= 1800 16.540÷9=60 17.30×20= 600 18.400÷4= 100 19.350-80= 270 20.160+70=230 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= 2028.5600÷80=70 29.25×16= 400 30.120×25= 300031.36×11= 396 32.1025÷25=41 33.336+70= 40634.25×9×4= 900 35.200-33×3= 36.3020-0=20__37.12×50= 600 38.25×8= 200 39.23×11= 25340.125÷25=5 41.4200-2200=2000 42.220+80= 30043.20×8×5= 800 44.600-3×200=0 45.20+20÷2= 3046.35-25÷5= 30 47.36+8-40= 4 48.2800÷40=7049.98÷14 = 7 50.96÷24 = 4 51.56÷14 =4 52.65÷13 = 5 53.75÷15 = 5 54.120÷24 =5 55.200÷25 = 8 56.800÷16 = 5057.840÷21 =40 58.560÷14 = 40 59.390÷13 = 3060.600÷15 =40 61.72÷24 = 3 62.85÷17 = 5 63.90÷15=6 64.96÷16 = 6 65.78÷26 = 4 66.51÷17 =3 67.80÷40 = 2 68.100÷20 = 5 69.100÷4 =25 70.240÷40 = 671.920÷4 = 230 72.300÷60=5 73.64÷2 = 32 74.64÷4 = 16 75.50÷5 =10 76.60÷8 = 7.5 77.96÷4 = 24 78.90÷6 =15 79.400+80 = 480 80.400-80 = 320 81.40×80 =3200 82.400÷80 = 5 83.48÷16 = 3 84.96÷24 =4 85.160×5= 800 86.4×250= 1000 87.0×518= 0 88.10×76= 76089.36×10=360 90.15×6= 90 91.24×3= 72 92.5×18= 90 93.26×4= 74 94.7×15=105 95.32×30= 960 96.40×15=600 97.60×12= 720 98.23×30= 690 99.30×50=1500100.5×700=3500123+25=148 123-35=88 56×7=392135÷5=27 248+89=337 ... 146-23=123 ... 155×5=775 ... 456-12=38... 456+45=501 ...546-457=89 ...45×10=451 ... 564-12=47... 879+54=933 ...896-546=350 ...56×12=672.... 45-5=9... 457+456=913...7+14=21 ... 18-9=9... 8+16=24 ... 25-5=20... 9+18=27... 56-45=11... 10+20=30... 45-23=22... 11+22=33... 78-23=55... 12+24=36... 10-3=7 15-4=11 20-5=15 25-6=1930-7=23 35-8=27 40-9=31 45-10=35 50-11=39 55-12=43 60-13=47 65-14=51 70-15=55 75-16=59 80-17=63 85-18=67 90-19=71 95-20=75 100-21=79 105-22=83 110-23=87 115-24=91120-25=95 125-26=99 130-27=103 13+26=39... 14+28=42... 15+30=45... 16+32=48... 17+34=51... 18+36=54...19+38=57... 20+40=60... 21+42=63... 22+44=66...23+46=69... 24+48=72... 25+50=75... 26+52=78...27+54=81... 28+56=84... 29+58=87... 30+60=90...31+62=93... 32+64=96... 33+66=99... 5 ÷1 =5 10 ÷2 =5 15 ÷3 =5 20 ÷4 =5 25 ÷5 =5 30 ÷6 =5 35 ÷7 =5 40 ÷8 =5 45 ÷9 =5 50 ÷10 =5 55 ÷11 =5 60 ÷12 =5 65 ÷13 =5 70 ÷14 =5 75 ÷15 =5 80 ÷16 5 85 ÷17 5 90 ÷18 5 95 ÷19 5 100 ÷20 5 2/1_2=1 3/1_3=1 3/2_3=23/1_6=2 4/3_8=6 5/3_20=12 7/3_14=6 8/7_40=35 4/3_16=12 9/5_27=15 2/1_30=15 12/7_24=14 30/1_30=1 51/9_102=18 19/9_76=36 4/9_8=18 5/8_90=144 99/98_99=98 3/14_6=287/1_28=4 10/1_90=9 5/3_105=63 19/7_38=14 5/1_25=58/19_16=38 61/60_122=120 7/2_28=8 6/1_48=8 9/7_18=14 25/7_100=28 9/5_81=45 8/9_16=18 12÷3/5=12×( 5/3)9÷6/7=9×( 7/6 )30÷5/6=30×(6/5 )4×(3/2 )=4÷2/3 ( 4 )÷5/7=4×7/5 3÷4/5=3×5/4 ( 24 )÷7/16=24×(16/7 )A÷C/B=A×B/C 4÷4/5=5 6÷3/4=8 10÷2/5=25 18÷4/9=81/2 4×4/5=16/5 6×3/4=18/410×2/5=4 18×4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/21÷5/7=7/5 3/4÷3=1/4 1/3÷2=1/6 4/5÷6=2/155/7÷1=5/7 2/1_2=1 3/1_3=1 3/2_3=2 3/1_6=2 4/3_8=65/3_20=12 7/3_14=6 8/7_40=35 4/3_16=12 9/5_27=152/1_30=15 12/7_24=14 30/1_30=1 51/9_102=18 19/9_76=36 4/9_8=18 5/8_90=144 99/98_99=98 3/14_6=28 7/1_28=410/1_90=9 5/3_105=63 19/7_38=14 5/1_25=5 8/19_16=3861/60_122=120 7/2_28=8 6/1_48=8 9/7_18=14 25/7_100=28 9/5_81=452.8×0.4= 1.12 14-7.4=6.6, 1.92÷0.04=48, 0.32×500=160, 0.65+4.35= 5 10-5.4=4.6, 4÷20=0.2, 3.5×200=700, 1.5-0.06=1.44 0.75÷15=0.05, 0.4×0.8=0.32, 4×0.25=1, 0.36+1.54=2 1.01×99=99.99, 420÷35=12, 25×12=300, 135÷0.5=270 3/4 +1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/41/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4 3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5 0.51÷17=0.03, 32.8+19=51.8, 5.2÷1.3=4, 1.6×0.4=0.64 4.9×0.7=3.43, 1÷5=0.2, 6÷12=0.5, 0.87-0.49=0.38 1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)3.8+2-8+24.25_4/25_45.7.26-(5.26-1.5)6.286+1987.314-2028.526+301 9.223-99 10.6.25+3.85-2.125+3.875 11.9-2456_21 12.0.5/11.5-4_2.75 13.1/2×3/514.3.375+5.75+2.25+6.625 15.1001-9036÷1816.3.8×5.25+14.5 17.2.1_4.3+5.7_2.1 18.30×1/319.102_45-328 20.2/3×12 21.2.8_3.1+17.6/8 22.3/5×5/6 23.(50-12.5)/2.5 24.2/5×1/3 25.6110_47+639 26.1/2-1/6 27.3.5_2.7-52.2/18 28.1/7×1/529.3.375_0.97+0.97_6.625 30.25×4/531.6.54+2.4+3.46+0.6 32.5/6-1/2 33.95.6_1.8+95.6_8.2 34.1/2×1/5 35.600-420/12 36.344/3.6-5.4_0.2537.16/2+30/2+90/6 38.3001-1998. 39.5000-105_3440.0.15/0.25+0.75_1.2 41.(1/2+1/3+1/4)_0.2442.(25+4)_4 43.300-4263/21 44.0.81/0.25+5.9645.403÷13×27 46.1.5×4.2-0.75÷0.25 47.3.27×4+3.27×5.7 48.(1.2+ 1.8)×4.51025-768÷3249.0.25×80-0.45÷0.9 50.1025-768÷32 51.0.25_2.69_4 52.2348+275_16 53.2/9_15/8-1/12_9/5 54.2.4+2.4_(5.375-3.375) 55.645-45_12 56.0.15+1.2/0.24-0.45 57.3.75-(2.35+0.25/1.25) 58.76_1/4+23_25/100+0.25 59.10-2.87-7.13 60.0.96+9.6_9.9 61.7.5-5.7_1/3 62.12.37-3.25-6.75 63.16_6.8+2.2_16+16 64.401_19+284 65.58.7-16.65/3.7 66.0.4_4.7_2.5+(2.3+5.3) 67.9.31-1.125-7.87568.640+128_45 69.8.2_1.6-0.336/4.2 70.400_(0.62+0.08) 2/1_2=1 3/1_3=1 3/2_3=2 3/1_6=2 4/3_8=6 5/3_20=127/3_14=6 8/7_40=35 4/3_16=12 9/5_27=15 2/1_30=1512/7_24=14 30/1_30=1 51/9_102=18 19/9_76=36 4/9_8=18 5/8_90=144 99/98_99=98 3/14_6=28 7/1_28=4 10/1_90=95/3_105=63 19/7_38=14 5/1_25=5 8/19_16=3861/60_122=120 7/2_28=8 6/1_48=8 9/7_18=14 25/7_100=28 9/5_81=45 8/9_16=18 2/1_2=1 3/1_3=1 3/2_3=2 3/1_6=24/3_8=6 5/3_20=12 7/3_14=6 8/7_40=35 4/3_16=129/5_27=15 2/1_30=15 12/7_24=14 30/1_30=1 51/9_102=18 19/9_76=36 4/9_8=18 5/8_90=144 99/98_99=98 3/14_6=28 7/1_28=4 10/1_90=9 5/3_105=63 19/7_38=14 5/1_25=58/19_16=38 61/60_122=120 7/2_28=8 6/1_48=8 9/7_18=14 25/7_100=28 9/5_81=45 8/9_16=18 12÷3/5=12×( 5/3)9÷6/7=9×( 7/6 )30÷5/6=30×(6/5 )4×(3/2 )=4÷2/3 ( 4 )÷5/7=4×7/5 3÷4/5=3×5/4 ( 24 )÷7/16=24×(16/7 )A÷C/B=A×B/C 4÷4/5=5 6÷3/4=8 10÷2/5=25 18÷4/9=81/2 4×4/5=16/5 6×3/4=18/410×2/5=4 18×4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/21÷5/7=7/5 3/4÷3=1/4 1/3÷2=1/6 4/5÷6=2/155/7÷1=5/7 2/1_2=1 3/1_3=1 3/2_3=2 3/1_6=2 4/3_8=65/3_20=12 7/3_14=6 8/7_40=35 4/3_16=12 9/5_27=152/1_30=15 12/7_24=14 30/1_30=1 51/9_102=18 19/9_76=364/9_8=18 5/8_90=144 99/98_99=98 3/14_6=28 7/1_28=410/1_90=9 5/3_105=63 19/7_38=14 5/1_25=5 8/19_16=3861/60_122=120 7/2_28=8 6/1_48=8 9/7_18=14 25/7_100=289/5_81=45 8/9_16=18够了吧。

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