58x58一58x4的简便运算

58x58一58x4的简便运算
2025-05-01 18:51:04
推荐回答(2个)
回答1:


red

回答2:

58x58一58x4
=58x(58-4)
=58x54
=60x54-2x54
=3240-108
=3132