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45*73/73*45用简便方法怎样计算

45*73/73*45用简便方法怎样计算 45*73/73*45 =45*45*(73÷73) ...

73×45+73×54+73 =73×(45+54+1) =73×100 =7300

45加45乘26加45乘73 =45x(1+26+73) =45x100 =4500 请采纳...

这道题这样算,利用乘法结合律。去算式(8+82)×73=,就是这个意思!

75×73/74 =(74+1)×73/74 =74×73/74+1×73/74 =73又73...

用简便方法计算56*73+46*73-2*73 56*73+46*73-2*73 =73*(56...

7.73*99+7.73用简便方法计算 =7.73x(99+1) =7.73x100 =773

73.45*9.9+65.5+7.345 =73.45*9.9+65.5+73.45*0.1 =73...

=75-2+35 =110-2 =108

2.73x99 =2.73×(100-1)(99看成是100-1的形式) =2.73×100-2.7...

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