这个怎么简便运算?
第1个回答 2020-05-17
76×34+88×76-152
=76×2×17+44×2×76-152
=152×17+44×152-152
=152×(17+44-1)
=152×60
=(100+50+2)×60
=100×60+50×60+2×60
=6000+3000+120
=9120本回答被网友采纳
=76×2×17+44×2×76-152
=152×17+44×152-152
=152×(17+44-1)
=152×60
=(100+50+2)×60
=100×60+50×60+2×60
=6000+3000+120
=9120本回答被网友采纳