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> 计算下列各题:(1)12+(-2)2×4-1-4sin60°;(2)|-2|+(3)-1+20050.-数学
计算下列各题:(1)12+(-2)2×4-1-4sin60°;(2)|-2|+(3)-1+20050.-数学
题目简介
计算下列各题:(1)12+(-2)2×4-1-4sin60°;(2)|-2|+(3)-1+20050.-数学
题目详情
计算下列各题:
(1)
12
+(-2)
2
×4
-1
-4sin60°;
(2)|-2|+(
3
)
-1
+2005
0
.
题型:解答题
难度:中档
来源:不详
答案
(1)原式=2
3
+4×
class="stub"1
4
-4×
3
2
=1;
(2)原式=2+
3
3
+1
=3+
3
3
.
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题目简介
计算下列各题:(1)12+(-2)2×4-1-4sin60°;(2)|-2|+(3)-1+20050.-数学
题目详情
(1)
(2)|-2|+(
答案
=1;
(2)原式=2+
=3+