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> 计算:4-2×(12)-1+(2-1)0.-数学
计算:4-2×(12)-1+(2-1)0.-数学
题目简介
计算:4-2×(12)-1+(2-1)0.-数学
题目详情
计算:
4
-2×(
1
2
)
-1
+(
2
-1
)
0
.
题型:解答题
难度:中档
来源:不详
答案
原式=2-2×4+1
=2-8+1
=-5.
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题目简介
计算:4-2×(12)-1+(2-1)0.-数学
题目详情
答案
=2-8+1
=-5.