计算:
(1)(﹣25)+(﹣35); (2)(﹣12)+(+3);
(3)(+8)+(﹣7); (4)0+(﹣7).
(5)
; (6)
;
(7)
; (8)
.
(1)(﹣25)+(﹣35); (2)(﹣12)+(+3);
(3)(+8)+(﹣7); (4)0+(﹣7).
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32874c52a5b56e12195b8b9a0b3da5ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d4d6166f9b1a346bc39e4fa6836af0.png)
(7)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7520564d5ccccf3d3eed0e57ec8dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4025c43b337532bef1da9d1c247b024f.png)
更新时间:2020-11-09 10:52:16
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【知识点】 有理数的加减混合运算解读