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> 计算:(12)-1+(12-1)0×3-27-|tan45°-2|.-数学
计算:(12)-1+(12-1)0×3-27-|tan45°-2|.-数学
题目简介
计算:(12)-1+(12-1)0×3-27-|tan45°-2|.-数学
题目详情
计算:
(
1
2
)
-1
+(
1
2
-1
)
0
×
3
-27
-|tan45°-
2
|
.
题型:解答题
难度:中档
来源:不详
答案
原式=2+1×(-3)-(
2
-1)
=2-3-
2
+1
=
-
2
.
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题目简介
计算:(12)-1+(12-1)0×3-27-|tan45°-2|.-数学
题目详情
答案
=2-3-
=-