117.23减去括号56.09-2.77括号怎么简便运算?

2025-04-03 02:46:43
推荐回答(4个)
回答1:

117.23-(56.09-2.77)
=117.23-56.09+2.77
=117.23+2.77-56.09
=120-56.09
=63.91

回答2:

回答3:

117.23-(56.09-2.77)
=117.23+2.77-56.09
=120-56.09
=63.91

回答4:

117.23-(56.09-2.77)=117.23+2.77-56.09=120-50-6-0.09=63.91