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25*41简便计算

25×41= 25×(40+1)= 25×40+25= 1000+25= 1025

25x(40—4+1) =25x40-25x4+25 =1000-100+25 =925 、, 你好,本题已解答,如果满意 请点右上角“采纳答案

简便计算方法 20.4÷1.25 =20.4×4/5 =16.32

2/1x4x25 =2/1x(4x25) =2/1x100 =2x100 =200 如果是2分之1的话,结果=1/2x100=50

2/5×25%+1/4×4/5 =2/5×1/4+1/4×4/5 =(2/5+4/5)×1/4 =6/5×1/4 =3/10

25x(20一4) =25x20-25x4 =500-100 =400

4.25×101-4.25 =4.25×(101-1) =4.25×100 =425

25x54一11x42的简便运算 25x54一11x42 =1350-462 =888 直接计算

2.5×1.25×4×8 =(2.5×4)×(1.25×8) =10×10 =100 你好,本题已解答,如果满意 请点右上角“采纳答案”。

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