276+228+353+219简便计算怎么做?

2025-03-13 17:11:14
推荐回答(2个)
回答1:

276+228+353+219
=(272+228+4)+(353+220-1)
=500+4+573-1
=(500+573)+(4-1)
=1073+3
=1076

回答2:

276+228+353+219
=(200+200+300+200)+(70+20+50+10)+(6+8+3+9)
=900+150+26
=1050+26
=1076