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> 计算--的结果是().A.1.B.-1.C.-.D.--八年级数学
计算--的结果是().A.1.B.-1.C.-.D.--八年级数学
题目简介
计算--的结果是().A.1.B.-1.C.-.D.--八年级数学
题目详情
计算
-
-
的结果是( ).
A.1.
B.-1.
C.
-
.
D.
-
题型:单选题
难度:偏易
来源:不详
答案
C
原式=
-
,故选C
上一篇 :
在函数中,自变量x的取值范围是()A
下一篇 :
We arranged to meet at the c
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题目简介
计算--的结果是().A.1.B.-1.C.-.D.--八年级数学
题目详情
答案