小数除法简便运算练习题五年级

精品文档 小数除法简便运算练习题五年级 班级___________ 姓名______________ 2.5×7.1× 16.12×99，16.125.2×0.9，0.9.3×50×0.2 0.75×1990.86×15.7,0.86×14.0.25×3.2?3.5 7.28×99+7.226×15.7，15.7×24 8.05×3.4+7.×3.32×25 4.8×100.1 .09×10.8,0.8×7.09 0.9?× 1.9.5×99.8 1.2×?4.832，4.9,0.12.5×0.4×2.5×84.× 1 .8,4.8×0.5×0.279×343，0.657×27.× 17.-.×.4 五上小数乘除法简便运算专项练习题 班级___________ 姓名______________ 2.5× .8×299..5×1.25×0.320.125×72 0.25×39+0.256.8×0.75?0.28×0.56，44×0.412.5×56 13.5×0.12.5×8.5.7×0.28，6.3×0.28,0.28×2 9.5×9.16×1.53,0.053×91..9?4.2?3.5 15?3.4?2.5?0..6,3.6×0.7 ×0.8 40.? 0.81 × 0.184.4×0.8,3.4×0. ×(5 2 1 / 10 精品文档 五年级上册 计算练习 注意:列竖式计算时?小数乘法,一定要数清两个因数共有的小数位数,再确定积的小数位数,然后再去掉里面的0 ?小数除法里,必须将除数化成整数后再根据法则计算,商的小数点和转化后的被除数小数点对齐 一、把下列各式转化成除数是整数的除法。 8.373.81 0.2132.340.9666 9.3840.161.36 二、列竖式计算下列各题 9?36 7.2?5 4?1.2 96?15 40.4?8 13?2.4 4.4?50 3.25×8 3-2.08 28×2.05 18-5.29 2 / 10 精品文档 9.6?1.6 5.06×13 75.6?18 0.73+12 96?0.64 50?0.25 50.4?48 3.54×13 64.8?24 64.8?19 40?0.32 3.52?55 179.2?64 3.56+7.5 4.32?3.6 2.4×1.02 8.32×2.3.27 2.9?9.31.28 .8×0.867.2.85)7.218?365)16.32?518) 0.5?1.11)2.7+3.1314)4.7×0.17)58.89?10)7.×6.223) 7.2?0.46)32?0.016)179.2?62)7.45?3.8)2.1?0.28) 3.52?5.1)50.34?14)0.43?8.7)8.68?6.0)0.465?13) 3 / 10 精品文档 4.95?3.6)0.69×8.9)6.5×0.42)179.2?65)90-16.7568) 20-5.67471)2.03×4.4)1.9×2.07)6.48?0.0)0.26?4. ×0.640.282×1.68.62?0.423.063)5.93×0.76)25?0.3 )30?7 12)1.7?11 15)141.2-48.918) 0.448?0.2821)8.9×0.364)78.92+115.27)40.5?180) 0.945?0.0353)1.21×186)5.85?0.0159)0.957?4.642) 0.832?0.265)3.85×0.0148)3.952?0.761)9.72?0.0254)18.27?2.17)97.2?0.160)7.4+12.863) 5.84?0.166)7.04?4.069)1.872?2.42)0.36×0.245)15.3-60.98)5.4?0.0361)4.75?0.0?4.?0.4×12 70?282.31×1.2×0. 12.78- 99×4.33.4?2.5?0.4.23+6.5-8.23+6.5 2.7?4.12+3.12×94.82- 8.9×9.91.25×32×12.17.85- 6.3?1.42.5×3.2×12.4.61+5.8+4.2+6.39 1.25×88382?12.5?0.8.6×0.35+4.6×0.65 0.85×99132-43.7-56. 0.95×8.6-7.6×0.95 13?12.50.8+0.88+0.2.4×1.87-2.4×0.87 2.4×1021.63+2.37?0.23.9-0.6×0.6-0.64 4.5?1.89.43×101-9.44.8+8.63+5.2+0.37 4.2?3.5 .9?1.15.17-6.8-3.3.4-0.8-13.4-7.2 4 / 10 精品文档 .5×2.15.17-6.8-3..2+0.36+4.8+1.64 15?0.23.1+25.78+6. 1.23+3.4-0.23+6.6 .8?9.2.95 0.25×36 7.2?2.7 5.6?3.5 9.4×9.888 .3?2.6.02+3.6+1.94.25 6.1×0.912.5 1.25×3.10.4-9.6 3.2×10.1 15 0.52×1028.6 0.32×407.67-2.57-2.431.34+1.8+3.66+0.2 0.85×190.8 930?0.6? 5.86-0.72+0.381.27+3.9+0.73+16.1 17.2×10.163 84?0.42? 5.62×1.016.8+1.25 930?5?0. 4.32+5.43+6.6873.8-1.64-13.8-5.36 13.86-2.995.93+0.19+2.8122.8 2.5× 3.07-0.38-1.625.4 28.9×4?2890.8 5 / 10 精品文档 0.25×8.5×4 4.2×99+4.2 4×4.16×2.5 25-4.7+5.7.3 9.4+0.3-6.0.29 2.4-2.4×0.53.1+ 3.25+1.83+0.75+2.16.82?4?0.25 13.8?0.25? 6.75- 0.83+0.69+0.17+10.31 63?0.35?0. 18.75+9.24-8.712.83+2.25+1.75+6.17.5+4.9-6.16.79-2. 87+2.115.25+4.72-4.75+5.28-2.45-1.51.26 3.6-3.6×0.51.76+0.195+3.227.38-5.34+2.62-4.63.9? 1.57+0.245+7.435.7-4.9- 0.25×0.73× 12.7- 4.58+2.39+ 10.9-3.74+0. ×101-2.95 1.280.25× ×49.73?12.5?0.8×16+222×3 15.32×0.96×0. 6.09×0.3542? 34.52-17.87-12.2×101-28.626.7-0.5×65.18×1.219.2- 5.45-9.2-2.5×10.1-63×0.1 3.14?0. 0.×6.8×45.55- ×3.25+1.79-0.59+1.7×0.40.860.125×0.5×8×?0.?4+2.7×0.250.666×46+0.29×5 0.96-0.28+0.04-0.72.5×2.1+78×0.79? 6 / 10 精品文档 2.64+8.67+7.36+11.31.29+3.7+2.71+6.×8.6+0.72×8.6.16×1.5-0.5×9.162.4×0.9+0.1×32.0.125×0.25×0.5×6×4+4.68?0.2?2.5×9.9+0.1×3.6+3.6×3.91 ×43.43-43×42.4×0.5-0.7×1.9+31.4×0.81 ×[?1.2] ×4.91+5.09×22.×0.68+3.4×2×0.4×15.7-0.86×14.2 7.8×5.64+72.2×5.6?2.5?0.×0.7+0.222×0.9.4?[ ?0.25] 12.7-4.8-5.36.54-1.76-4.542.55×1.5+1.5+6.45×1.10- 2.57-6.47.6×0.8+0.2×7.0.7777×0.7+0.1111×2.1 6.3+4.82+3. ×0.2.35+1.713+0.287+7.63.67×99+3.670.35×1.25×2×0.82.5×7.5+7.5×6.4+0.712.8-4.9-5.1 .14?0.25+4. 6× 0.134+2.66+0.866.43×99+2.41.01×8.8-0.088.23+4.5-8 .23+4.4.7×1.25×1.62.8×0.5+0.5×27.1.8×0.9+0.11.25×64×0.254.3+1.4+25.7+8.67.8×4.86?3.9.18+4.18×912.75- 14-7.32-2.60.4×0.7×0.250.5×0.08?0.5××0.0812.5×9.6 8.4×0.2+1.6×0.20.2×3?0.2× 0.75×102 2.4-2.4?1. 7 / 10 精品文档 1.25×8.1.8+0.2-1.8+0.6393-1.93-0.84 84?0.42?2 5.649+7.8-3.837.8-16.4-13.6.3+9.8-6.3+9.8 小学数学五年级上小数乘除法练习一 班级: 姓名:得分: 1、直接写出得数。 0.45×2.5, 0.8×1.25, 0.3×3.6, 10×0.07, 0.3×1.4, 0.05×7,27，456，73=0.3×0.3=7.2，2.8, 0.9?0.01, 12?0.3= .87?0.7, 13?4, 0.96?0.3, 1.5×0.4, .5×0.7×0.8=8,2.5, 16?1.6,8×,0.36，0.64,64.32?16,72.8?0.8,.4?4.2, 13.8，9.9, .4×2.5, 0.05×0.8,2.56,0.37, 1.25×0.8×0.5, 12×2.5, 1.23×3,.5，3.5×3, 19.6?2, .8?2.2=×4, 1.6×0.2,.2×0.3= 0 0.5×0.8=8.4×0.2.75×4, .2?1.6,2.8×0.3, 0.9?0.15= 1.8×0.4= .5?0.55= 0.08×100= .2?0.11= 12.5×0.8= 0.35×0.3= 1.4×5= 2、用竖式计算 0.396?1.2=0.756?0.36= 15.6×13= 0.18×15= 0.04×0.12, 8 / 10 精品文档 7.15×22= 16.9?0.13= 13.76×0.8= 14=3.84×2.6? 0.75?3.=1.55?3.9=.2×0.6= .06×36= .76×3 ,.68×0.25=3.7×0.016=.4×1.3= 0.025× 6.4×0.5=4.48×0.4=.25×5= 35.4×4.= 0.042×0.54= 0.76×0.32= 0.25×0.04= 0.12×0.5×0.16, 2.5?0.7= 10.75?12.5= 3.4= 1.08×25=4.8×0.25,0.125×1.4? 10.1?3.3=3.25×9.04= 2.52× 3、脱式计算 2.5×7.1×16.12×99，16.1.2×0.9，0.9 7.28×99+7.284.3×50×0.264,2.64×0.5 26×15.7，15.7×2×0.28 3.94+34.3×0..7×5.4×3.1.2×?4.8 8.9×1.1×4.76.58×4.5×0..6×9.85-5.46 8.05×3.4+7..8×0.5+1.584.8,4.8×0.5 9 / 10 精品文档 10 / 10