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75x27+19x25简便计算怎么做

75x27+19x25 =(75+25)x25x27

解:75×27+19×25 =25×3×27+19×25 =25×81+25×19 =25×(...

简便方法计算如下: 75x27+19x25 =25x3x27+25x19 =25x(81+19...

75x27十19x25 简便 解答: 75x27十19x25 =25x3x27+19x25 ...

24X9X15X25 ...

11×29=202-92;12×28=202-82;13×27=202-72; 14×26=202...

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