乘法交换侓 0.56×3.80.56×3.8 9.4×0.24 0.72×0.48

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乘法交换侓0.56×3.80.56×3.89.4×0.240.72×0.48乘法交换侓0.56×3.80.56×3.89.4×0.240.72×0.48乘法交换侓0.56×3.80.56×3.89.4

乘法交换侓 0.56×3.80.56×3.8 9.4×0.24 0.72×0.48
乘法交换侓 0.56×3.8
0.56×3.8 9.4×0.24 0.72×0.48

乘法交换侓 0.56×3.80.56×3.8 9.4×0.24 0.72×0.48
0.56*3.8=3.8*0.56 9.4*0.24=0.24*9.4 0.72*0.48=0.48*0.72