37×九九简便运算怎么算脱式匙

Question

37×九九简便运算怎么算脱式匙

Answer 1

37×九九简便运算怎么算脱式匙
37×九九
=37*(100-1)
=37*100-=37
=3700-37
=3663本回答被网友采纳

Answer 2

37x99
=37x(100-1)(由乘法分配律得：
=37x100-37x1
=3700-37
=3663

Answer 3

37×99简便一下怎么脱