208+49+92+11+540这道算式用脱式计算怎么简便计算?

2024-11-24 10:12:08
推荐回答(2个)
回答1:

=(208+92)+(49+11+540)
=300+600
=900
望采纳

回答2:

208+49+92+11+540
=200+50+90+10+540+8-1+2+1
=890+10
=900