18×(95-76)+196的简便计算方法?

2025-04-06 00:52:56
推荐回答(1个)
回答1:

简便计算
18×(95-76)+196
=18x19+196
=18x(20-1)+200-4
=360-18+200-4
=(360+200)-(18+4)
=560-22
=538