23.68-(3.8-1.23)用简便方法

23.68-(3.8-1.23)用简便方法
2024-12-02 16:36:05
推荐回答(2个)
回答1:

23.68-(3.8-1.23)
=23.68+1.23-3.8
=24.91-3.8
=21.11

回答2:

23.68-(3.8-1.23)
=23.68-2.57
=21.11
没有简便方法,直接计算