385-(45-85)用简便方法计算

385-(45-85)用简便方法计算
2025-02-22 22:02:03
推荐回答(3个)
回答1:

385-(45-85)
=385-45+85
=340+85
=425

回答2:

=385-(-85+45)
=385+40
=425

回答3:

=385-45+85
=340+85
=425