13.7×0.28×8简便算法如何算
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13.7×0.28×8简便算法如何算13.7×0.28×8简便算法如何算13.7×0.28×8简便算法如何算13.7×0.28×8=(12.5+1.2)*(0.25+0.03)*8=12.5*0.25
13.7×0.28×8简便算法如何算
13.7×0.28×8简便算法如何算
13.7×0.28×8简便算法如何算
13.7×0.28×8
=(12.5+1.2)*(0.25+0.03)*8
=12.5*0.25*8+12.5*0.03*8+1.2*0.25*8+1.2*0.03*8
=25+3+2.4+0.288
=30.688
13.7×0.28×8
=30.688