作业帮(-32)-[(-27)-(72)]-87怎么做
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/28 00:25:49
![(-32)-[(-27)-(72)]-87怎么做](/uploads/image/z/1960170-42-0.jpg?t=%28-32%29-%5B%28-27%29-%2872%29%5D-87%E6%80%8E%E4%B9%88%E5%81%9A)
(-32)-[(-27)-(72)]-87怎么做
(-32)-[(-27)-(72)]-87怎么做
(-32)-[(-27)-(72)]-87怎么做
(-32)-[(-27)-(72)]-87
=-32-(-27)+72-87
=-32+27+72-87
=-5+72-87
=67-87
=-20
(-32)-[-99]-87
(-32)+99-87
剩下自己算
qianmianzijisuan
(119)+99=-20