57×37 63x52简便算法

2024-11-16 01:29:10
推荐回答(2个)
回答(1):

57×37+63x52
=(52+5)x37+63x52
=52x37+5x37+63x52
=52x(37+63)+185
=52x100+185
=5200+185
=5385
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回答(2):

57×37+63x52
=52×37+5×37+63x52
=52×(37+63)+5×37
=5200+185
=5385