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> 下列计算正确的是()A.4=±2B.10-6=10-3C.(-5)2=-5D.-4=-2-数学
下列计算正确的是()A.4=±2B.10-6=10-3C.(-5)2=-5D.-4=-2-数学
题目简介
下列计算正确的是()A.4=±2B.10-6=10-3C.(-5)2=-5D.-4=-2-数学
题目详情
下列计算正确的是( )
A.
=±2
B.
=10
-3
C.
=-5
D.
=-2
题型:单选题
难度:偏易
来源:不详
答案
B
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题目简介
下列计算正确的是()A.4=±2B.10-6=10-3C.(-5)2=-5D.-4=-2-数学
题目详情
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