【#文档大全网# 导语】以下是®文档大全网的小编为您整理的《四年级小数乘除法计算题之欧阳家百创编》,欢迎阅读!
欧阳家百创编
四年级小数乘除法计算题
欧阳家百(2021.03.07)
185.44÷1641.84÷721.7÷967.5÷105230.4÷0.6 121.24÷360.736÷2343.5×1235.21÷739.6×24 6.21÷0.03210÷1.451.3÷0.2791.2×3.80.756÷0.18 0.66÷0.311.97×1.569.6÷2.938.4÷0.815÷0.06 15.6×2.93.77×1.80.02×965.22×0.39.99×0.02 4.67÷0.95×2.441.666÷6.19.432×0.0025.6×6.5 4.88÷2.90.61×4.38.9÷2.45.5×559.77×0.02 1.384÷5.18.78×8312.6×610.059×0.24.268×1.7 5.7×5.79.46×2.8517.8×6.41.5÷4.912.5×0.88 5.555×5.22.22×3.337.658×8536.02÷0.356.78×8
(循环小数的用简便方法,除不尽保留2位小数): 8.2÷0.120.8÷0.976.4÷5.44.7÷31.25÷1.2 32÷4214.36÷2.78.33÷6.21.7÷0.032.41÷0.7 用竖式计算
0.396÷1.2= 0.756÷0.36= 15.6×1.3=0.18×1.5= 0.025×1.4= 13.06×36=0.04×0.12= 3.84×2.6≈ 5.76×3= 17.15×22 90.75÷3.3 3.68×0.25 16.9÷0.13 1.55÷3.9 3.7÷0.01613.76÷0.8= 5.2×0.6 18.4÷1.36.4×0.5 4.48×0.4 15.25×535.4×4.2 0.042×0.54 0.76÷0.32
欧阳家百创编
欧阳家百创编
0.25×0.046 2.52×3.4 1.08÷25 0.12×0.5×0.16= 4.8×0.25= 0.125×1.4≈(保留两位小数)
2.5÷0.7= (保留三位小数) 10.1÷3.3= (商用循环小数) 10.75÷12.5= (用乘法验算) 3.25×9.04= (用除法验算) 3、脱式计算(能简算的要简算)
2.5×7.1×4 16.12×99+16.12 5.2×0.9+0.9 7.28×99+7.28 4.3×50×0.2 64-2.64×0.5
26×15.7+15.7×24 (2.275 +0.625)×0.28 3.94+34.3×0.2 1.2×(9.6÷2.4)÷4.88.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46 8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.58 32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8 4.8×100.1 56.5×99+56.5 7.09×10.8-0.8×7.09 4.85 + 0.35 ÷ 1.4 8.7 × 17.4 - 8.7 × 7.412.5×0.4×2.5×8 0.87×3.16+4.64 9.5×101 0.68 ÷(5.2 -3.5)× 1.25 40.5 ÷ 0.81 × 0.18 4.8 ×(15 ÷ 2.4)
6.81+6.81×99 0.25×185×40 4.4×0.8-3.4×0.8
(9.37+9.37+9.37+9.37)× 2.5 2.37×6.3+2.37×3.7 2.5×1.25×0.32 3.8×10.12.5×(3.8×0.04) 7.69×101 3.8×10.10.25×39+0.25 0.125×72 46×0.33+54×0.33 (8×5.27) ×1.25 6.81+6.81×99 0.25×185×40 6.8×0.75÷0.5 3.75÷0.125–2.75 1.53+23.4÷7.2 9.5×99 13.5×0.98 12.5×8.8
欧阳家百创编
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