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> 计算:2×(-2)3-4÷(-12)+20=______.-数学
计算:2×(-2)3-4÷(-12)+20=______.-数学
题目简介
计算:2×(-2)3-4÷(-12)+20=______.-数学
题目详情
计算:2×(-2)
3
-4÷(
-
1
2
)+2
0
=______.
题型:填空题
难度:中档
来源:湖南
答案
原式=2×(-8)-4×(-2)+1
=-16+8+1
=-7.
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题目简介
计算:2×(-2)3-4÷(-12)+20=______.-数学
题目详情
答案
=-16+8+1
=-7.