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0.8x0.25x0.4x12.5 4.58➗2.5➗0.4 都...

0.8x0.25x0.4x12.5 4.58➗2.5➗0.4 都简便计算过程具体 0.8x0.25x0.4x12.5 =(0.8*12.5)*(0.25*0.4) =10*0.1 =1 4.58➗2.5➗0.4 =4.58÷(2.5*0.4) =4.58÷1 =4.58

列式为: 0.2x0.2x0.2➗(0.04x0.04) =0.04x0.2➗0.04➗0.04 =(0.04➗0.04)x(0.2➗0.04) =1x5 =5

(8.25-37.5)➗2.5➗4 =(8.25-37.5)➗(2.5x4) =-29.25➗10 =-2.925

三.12547

(25-0.2)➗(1➗0.25)能简算吗?如果能简算,怎么简算? (25-0.2)➗(1➗0.25) =24.8÷4 =6.2 直接计算

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