用简便方法计算:35x36十36x37十34x35十37x34

如题所述

用简便方法计算:35x36十36x37十34x35十37x34
35x36十36x37十34x35十37x34
=35*(36+34)+37*(36+34)
=70*(35+37)
=70*72
=5040
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