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> 计算:22+1-(3.14-π)0-3cos45°+(22)-1.-数学
计算:22+1-(3.14-π)0-3cos45°+(22)-1.-数学
题目简介
计算:22+1-(3.14-π)0-3cos45°+(22)-1.-数学
题目详情
计算:
2
2
+1
-(3.14-π
)
0
-3cos45°+(
2
2
)
-1
.
题型:解答题
难度:中档
来源:不详
答案
原式=2(
2
-1)-1-3×
2
2
+
2
=2
2
-2-1-
3
2
2
+
2
=
3
2
2
-3.
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题目简介
计算:22+1-(3.14-π)0-3cos45°+(22)-1.-数学
题目详情
答案
=2
=