直接写出计算结果:(1)(-6)+(-7)=______;(2)(-6)-(-7)=______;(3)(-6)+7=______;(4)-6-7=______;(5)-(-2)2=______;(6

题目简介

直接写出计算结果:(1)(-6)+(-7)=______;(2)(-6)-(-7)=______;(3)(-6)+7=______;(4)-6-7=______;(5)-(-2)2=______;(6

题目详情

直接写出计算结果:
(1)(-6)+(-7)=______;
(2)(-6)-(-7)=______;
(3)(-6)+7=______;
(4)-6-7=______;
(5)-(-2)2=______;
(6)-23+(-3)2=______.
题型:解答题难度:中档来源:不详

答案

(1)(-6)+(-7)=-13;
(2)(-6)-(-7)=-6+7=1;
(3)(-6)+7=-6+7=1;
(4)-6-7=-13;
(5)-(-2)2=-4;
(6)-23+(-3)2=-8+9=1.

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