6.7+3.28+4.3+5.72简便计算

2025-03-17 22:04:43
推荐回答(5个)
回答1:

(6.7+4.3)+(3.28+5.72)=20

回答2:

(6.7+4.3)+(3.28+5.72)

回答3:

1和3相加,2和4相加就行了

回答4:

(6.7+4.3)+(3.28+5.72)
=11+9
=20

回答5:

20