(1)计算:(-2)0+4×(-12)=______;(2)计算:2(x+1)-x=______.-数学

题目简介

(1)计算:(-2)0+4×(-12)=______;(2)计算:2(x+1)-x=______.-数学

题目详情

(1)计算:(-2)0+4×(-
1
2
)=______;
(2)计算:2(x+1)-x=______.
题型:解答题难度:中档来源:丽水

答案

(1)(-2)0+4×(-class="stub"1
2
),
=1-2,
=-1;
(2)2(x+1)-x,
=2x+2-x,
=x+2.

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