58×37+72×63的简便运算方法?

2025-01-01 17:54:45
推荐回答(1个)
回答1:

原式=58x36+58+36x2x63
=36x(58+2x63)+58
=36x184+58
=36x200-36x10-36x6+58
=72000-3600-216+58
=72000-3600-158
=68400-158
=68242