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> 计算:(π-3)0+18+(-12)-2-|-5|-6sin45°-数学
计算:(π-3)0+18+(-12)-2-|-5|-6sin45°-数学
题目简介
计算:(π-3)0+18+(-12)-2-|-5|-6sin45°-数学
题目详情
计算:
(π-3
)
0
+
18
+(-
1
2
)
-2
-|-5|-6sin45°
题型:解答题
难度:中档
来源:重庆模拟
答案
原式=1
+3
2
+
2
2
-5-6×
2
2
=
1+3
2
+4-5-3
2
(5分)
=0(1分).
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题目简介
计算:(π-3)0+18+(-12)-2-|-5|-6sin45°-数学
题目详情
答案
=1+3
=0(1分).