小数乘法计算题

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1、五年级小数乘法计算过关练习题1、列竖式计算下面各题。7.6×20.23×8.92.89×0.84.8×0.25125×0.087.37×2.69×67.33.14×160.37×5.62.6×123.14×256.69×0.336×3.145.43×0.90.4×720.72×5=2.05×4=12.4×7=2.3×12=6.7×0.3=0.56×0.04=6.5×8.4=3.7×4.6=0.29×0.07=2.6×1.08=0.87×7=12.5×42=0.37×0.4=1.06×25=0.6×0.39

2、=1.7×0.45=5.2×1.4=0.37×8.4=0.86×1.2=2.04×0.15=21×2.84=6.8×25=58×1.6=36×2.4=2.06×3.7=1.56×0.08=1.03×5.3=1.12×1.1=1.5×1.5=3.14×2.5=3.14×2=3.14×3=3.14×4=3.14×5=3.14×6=3.14×7=3.14×8=3.14×9=3.5×40.6=3.14×0.8=0.25×0.4=1.25×80=0.14×23=3.5×4.8=2.25×80=8.16×0.4=12

3、.5×0.8=35×0.57=13.7×0.06=5.04×0.29=3.5×29.6=6.9×0.15=2.5×80=0.125×800=1．4×0.25=3.14×1.8=2.15×70=1.86×2.4=0.15×0.63=2.75×2.2=12.8×0.3=0.89×2.9=1.2×0.16=6.15×9.4=1.8×0.85=13.7×40=2、用简便方法计算下面各题。0.3×63＋99.7×631.2×31＋98.8×316.1×68＋93.9×6844.8×61＋95.2×614.9×45＋

4、95.1×454.4×20＋95.6×201.5×24＋98.5×247×82＋93×828.8×27＋91.2×276.8×8＋93.2×85.4×9＋8.6×9－4.0×99.3×3＋5.9×3－5.2×325×7.1×412.9×25×412.5×0.69×835×0.2×0.50.75×50×0.41.28×5.93×8025×4.48.8×1.2510.1×5.69.9×2.61.5×1.60.25×3.61.6×67＋98.4×670.1×8.2＋0.2×8.2＋9.7×8.21.25×32×

5、0.44.8×0.250.78×980.5×2.33×81.5×1050.3×2.5×0.41.2×2.5+0.8×2.53.72×99+3.729.98×9.91.25×0.9×0.84×（6.3×2.5）6.4×0.25×12.52.5×16.7-2.5×0.71.08×9+1.080.39×1993.14×0.68+31.4×0.0321.28×8.6+7.2×0.869.16×1.53-0.053×91.648×0.56+44×0.483、计算下面各题，并按要求保留积的小数位数。（1）得数保留一位

6、小数0.6×0.90.57×0.860.8×0.313.58×20.563×0.8560.37×2.4（2）得数保留两位小数35.6×0.5066.728×3.234.3×0.232.18×3.64.23×0.8620.07×1.0252.06×3.71.03×5.31.12×1.1