23.14-(9.27-6.8)简便计算怎么算?

2025-04-16 08:05:56
推荐回答(1个)
回答1:

23.14-(9.27-6.8)
=23.14-9.27+6.8
=23+0.14-9-0.27+6+0.8
=(23-9+6)+(0.14-0.27+0.8)
=20+0.67
=20.67