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> 下列等式成立的是()A.8-3=8-3B.4+9=4+9C.32-2=22D.2+2=22-数学
下列等式成立的是()A.8-3=8-3B.4+9=4+9C.32-2=22D.2+2=22-数学
题目简介
下列等式成立的是()A.8-3=8-3B.4+9=4+9C.32-2=22D.2+2=22-数学
题目详情
下列等式成立的是( )
A.
8
-
3
=
8-3
B.
4
+
9
=
4+9
C.
3
2
-
2
=2
2
D.
2+
2
=2
2
题型:单选题
难度:中档
来源:不详
答案
A、
8
-
3
=2
2
-
3
,故本选项错误;
B、
4
+
9
=2+3=5,故本选项错误;
C、3
2
-
2
=2
2
,故本选项正确;
D、2+
2
≠2
2
,故本选项错误;
故选C.
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题目简介
下列等式成立的是()A.8-3=8-3B.4+9=4+9C.32-2=22D.2+2=22-数学
题目详情
答案
B、
C、3
D、2+
故选C.