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1600x25巧算

(40-3)×25 =40×25-3×25 =1000-75 =925

36x25-25x20+16x75 = 36x25-25x20+16x25X3 =36x25-25x20+25X48 =25X(36-20+48) =25X64 (=25X4X16)个人觉得这一步可要可不要·、 =1600

140x25 =70x2x25 =70x50 =3500

4x(125x25) =4×25×125 =100×125 =12500

原数等于 8×25+17×25 =200+425 =625 ~回答完毕~ ~结果仅供参考~ ~\(^o^)/~祝学习进步~~~

25x17+13x25一25o =25×17+25×13-25×10 =25×(17+13-10) =25×20 =500

1250÷25÷1250×25 =(1250÷1250)×(25÷25) =1×1 =1 你好,本题已解答,如果满意,请点右上角“采纳答案”。

求解…怎么巧算25X25+25X25 解: 25X25+25X25 =25×25×2 =25×50 =1250

200×25-2×25图片选D

若一个整数的末尾两位数能被4整除,则这个数能被4整除 ∴13753x25 =(13752+1)x25 =3438×4×25+25 =343800+25 =343825

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