简便计算9.7-2.65+4.35

简便计算9.7-2.65+4.35
2025-02-24 09:25:36
推荐回答(2个)
回答1:

9.7+(4.35-2.65)=9.7+1.7=11.4

回答2:

=(10-0.3)-(3-0.35)+(4+0.35)
=10-0.3-3+0.35+4+0.35
=(10-3+4)+(-0.3+0.35+0.35)
=11+0.4
=11.4