5.2 6.7-5.2 6.7的竖式怎么算

2024-11-22 15:26:09
推荐回答(1个)
回答(1):

5.2+6.7-5.2+6.7
=(5.2-5.2)+(6.7+6.7)
=0+13.4
=13.4