0.049×0.32.简便记算
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0.049×0.32.简便记算
0.049×0.32
=49×32/100000
=(50-1)×32/100000
=(1600-32)/100000
=1568/100000
=0.01568
0.049×0.32.简便记算
0.049×0.32
=49×32/100000
=(50-1)×32/100000
=(1600-32)/100000
=1568/100000
=0.01568