如题所述
题目写错咯
23×37+23×73
=(37+73)×23
=(100+10)×23
=2300+230
=2530
23×37+23×73
=(37+73)×23
=(100+10)×23
=2300+230
=2530
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第1个回答 2019-03-31
23X73
=33X73-10X73
=2409-730
=1679
=33X73-10X73
=2409-730
=1679