6.27-0.28+3.72怎样用简便方法计算

6.27-0.28+3.72怎样用简便方法计算
2025-04-15 12:09:24
推荐回答(2个)
回答1:

向左转|向右转

回答2:

6.27-0.28+3.72
=6.27+3.72-0.28
=9.99-0.28
=9.71