怎样计算就怎样计算24.6-3.98+5.4-6.02

2025-04-26 10:03:03
推荐回答(2个)
回答1:

结合法
(24.6+5.4)-(3.98+6.02)
=30-10=20

回答2:

24.6-3.98+5.4-6.02
=(24.6+5.4)-(3.98+6.02)
=30-10
=20