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250x17x4用脱式计算怎么算

250x17x4 =250x4x17 =1000x17 =17000

5.4/[(0.3+0.6)x0.5] =5.4/(0.9x0.5) =5.4/0.9/0.5 =6/0.5 =12

17.525+7.5x4脱式计算 解:直接运算最简便, 原式=17.525+7.5x4 =17.525+30 =47.525

75x4x25x4 =(75x4)x(25x4) =300x100 =30000

168÷4+20×4 =42+80 =112

0.75×4+0.75×4=6 ~回答完毕~ ~\(^o^)/~祝学习进步~~~

5.73x4.27+5.73x5.73 =5.73x(4.27+5.73) =5.73x10 =57.3

2÷0.5×4 =4×4 =16

2.5x45x0.4 =2.5x0.4x45 =1x45 =45

288+25x27x4脱式计算 288+25x27x4 =288+27*25*4 =288+2700 =2988

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