题目内容
计算:
(1)-(+10)
(2)-(-2)
(3)-[-(+3)]
(4)-[-(-23)]
答案:
解析:
解析:
|
(1)-(+10) =-10 (2)-(-2)=2 (3)-[-(+3)]=3 (4)-[-(-23)]=-23 |
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题目内容
计算:
(1)-(+10)
(2)-(-2)
(3)-[-(+3)]
(4)-[-(-23)]
|
(1)-(+10) =-10 (2)-(-2)=2 (3)-[-(+3)]=3 (4)-[-(-23)]=-23 |