问答题

计算:14+45.6×14+53.4×14=______.计算: 1 4 +45.6× 1 4 +53.4× 1 4 =______.

答案: 1 4 +45.6× 1 4 +53.4× 1 4 , = 1 4 ×(1+45.6+53.4), = 1 4 ×100...
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问答题

[50.8-()]÷0.96.

答案: [50.8-(20+26)]÷0.96, =[50.8-46]÷0.96, =4.8÷0.96, =5.
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