小数乘法口算练习1.doc

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1、1.5×100=3.5×60=7.4×1000=3×0.5＝0.7×4＝2.1×3＝5.2×4＝1.1×8＝9×0.8＝1.5×2＝0.2×5＝0.7×0.8＝2.5×0.4＝2.3×0.3＝0.05×2＝1.7×0.5＝1.25×0.8＝0.12×3＝0.35×2＝0.4×0.7＝0.23×3＝0.25×4＝0.125×8＝0.5×4＝0.23×102=0.23×99=5.2×99=0.46×98=4×1.4×2.5=4.4×2.5=0.37×101=4.8×101=1.1×5＝3.5×2＝0.4×8＝0.5×0.2＝2.8×0.4＝0.32×50

2、0＝3.5×200＝0.4×0.8＝4×0.25＝1.01×99＝1.6×0.4＝4.9×0.7＝0.02×0.1=1.5×0.4=1.25×0.2=2.3×4＝100×0.01=3.4×0.07=0.3×0.4=0.05×0.8=10×0.75=5.6×0.1=3.5×3=51×0.2=1.2×3=8×0.03=0.01×100=30×0.01=0×1.22=0.6×5=0.26×0.3=20×0.4=0.14×5=2.5×4=0.081×10=0.8×7＝1.5×7＝1.32×8＝0.7×8＝10.3×2＝5×0.6＝0.9×0.3＝3.5×0.

3、2＝10×0.05＝0.13×7＝0.21×100＝0.7×4＝0.05×4＝4×0.3＝12.5×8＝0.4×50＝30×0.55＝2.6×3＝4.1×2＝7.5×0.1＝3.5×0.01=0.5×0.4=2.5×4＝0.05×4=0÷3.5=0.9×0.3=1×0.06＝9×0.5=1.25×8=2.6×3＝4.1×2=0.35×0.2=7.5×0.1＝0.9×0.3=1×0.06=9×0.5＝1.25×8=0.2×0.4=＝2.5×0.4＝2.4×5＝0.22×4＝1