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> 计算:2sin60°+(-12)-1-(2-3)2÷(21-2)0.-数学
计算:2sin60°+(-12)-1-(2-3)2÷(21-2)0.-数学
题目简介
计算:2sin60°+(-12)-1-(2-3)2÷(21-2)0.-数学
题目详情
计算:
2sin60°+(-
1
2
)
-1
-
(
2
-
3
)
2
÷(
2
1-
2
)
0
.
题型:解答题
难度:中档
来源:内江
答案
原式=2×
3
2
+(-2)-|
2
-
3
|÷1
=
3
-2+
2
-
3
=
2
-2.
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题目简介
计算:2sin60°+(-12)-1-(2-3)2÷(21-2)0.-数学
题目详情
答案
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=