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> 计算:(-2)2-(2-3)0+2•tan45°-数学
计算:(-2)2-(2-3)0+2•tan45°-数学
题目简介
计算:(-2)2-(2-3)0+2•tan45°-数学
题目详情
计算:(-2)
2
-(2-
3
)
0
+2•tan45°
题型:解答题
难度:中档
来源:不详
答案
原式=4-1+2×1=3+2=5.
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计算:(-2)2-(2-3)0+2•tan45°-数学
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