五年級上冊數(shù)學整數(shù)與小數(shù)乘法練習

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21.6×32=   2160×32=   0.216×32=   2.16×32=   
    216×320=   2160×320=  0.8×7=   1.5×7=
    1.32×8=    0.7×8=   10.3×2=   5×0.6=
    0.72×8=   0.312×12=   1.08×25=   3.92×15=
    7.83×16=    2.55×8=   3.21×23=   3.21×2.3=
    32.1×2.3=   32.1×0.23=   3.21×0.23=   321×0.023=
    0.9×0.3=    3.5×0.2=   2.01×0=    10×0.05=
    0.13×7=   0.21×100=   3.2×2.1= 1.82×0.45=