25.7-(5.72 4.6)简便方法?

2025-06-28 22:24:16
推荐回答(2个)
回答1:

25.7-(5.72+4.6)
原式=25.7-5.72-4.6
=25.7-4.6-5.72
=21.1-5.72
=15.38
满意望采纳,谢谢,

回答2:

=25.7-5.7-(0.02+4.6)
=20-4.62
=15.38