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15问答网 > 27×72-25×48的简便运算？

27×72-25×48的简便运算？

2025-03-28 14:57:14

推荐回答（4个）

回答1：

=3×9×8×9-25×6×8
=243×8-150×8
=（243-150）×8
=93×8
=744
望采纳！！！

回答2：

27×72-25×48
＝（25+2）×72-25×48
＝25×72-25×48+2×72
＝25×（72-48）+144
＝25×24+144
＝25×4×6+144
＝600+144
＝744

回答3：

原式=72（25+2）-25x48
=72x25+2x72-25x48
=25（72-48）+2x72
=25x24+144
=25x20+25x4+144
=500+100+144
=744

回答4：

=27×70+27×2-25×4×12
=1890+54-1200
=744

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