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5.4÷(2.7x5)的脱式计算是什么

5.4÷(2.7×5) =5.4÷2.7÷5 =2÷5 =0.4

=2×5÷0.4 =10÷0.4 =25

1.7-1.7x0.2÷6.8 =(1.7x6.8-1.7x0.2)÷6.8 =1.7x6.6÷6.8 =1.7x6.6÷(1.7x4) =1.65 1.25x3.2x0.25 =1.25x0.8x4x0.25 =(1.25x0.8)x(4x0.25) =1x1 =1 4.65x5.4+5.4x5.35 =(4.65+5.35)x5.4 =10x5.4 =54 9.4÷{(1.3+1.4)÷0.27] = 9.4÷{2.7÷0.27] = 9.4...

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