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0.25x1.38x4用脱式计算该怎么算?

0.25x1.38x4 =(0.25x4)x1.38 =1x1.38 =1.38

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

1602*16 诸如此类 其实根本不用脱式计算 你只要将前面的因数每个位数与后面的因数相乘就行了 我就这么做的 很爽

(125x25)x4 =125×(25×4) =125×100 =12500

25x11x4 =25x4x11 =100x(10+1) =100x10+100x1 =1000+100 =1100

(625-625÷25)x4脱式计算 =(625-25)x4 =600x4 =2400

计算步骤: =34.8乘以(0.25乘以4) =34.8乘以1 =34.8

2.5×0.36×4 =2.5×4×0.36 =10×0.36 =3.6 你好,本题已解答,如果满意 请点右上角“采纳答案”。

2÷0.5×4=4×4=16

48×25 =6200×125 =775000

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