4.7+2.8-4.7+2.2,简便运算怎么写?

2025-03-29 12:04:08
推荐回答(2个)
回答1:

4.7+2.8-4.7+2.2简便运算,
原式=4.7-4.7+(2.8+2.2)
=0+5
=5

回答2:

=(4.7-4.7)+(2.8+2.2)
=0+5
=5 以上为简便计算过程。