问题
计算题
计算:(1)(﹣12)﹣5+(﹣14)﹣(﹣39);
(2)﹣32÷(﹣3)2+3×(﹣2)+|﹣4|.
答案
解:(1)原式=﹣12﹣5﹣14+39
=﹣31+39
=8;
(2)原式=﹣9÷9﹣6+4
=﹣1﹣6+4
=﹣7+4
=﹣3.
计算:(1)(﹣12)﹣5+(﹣14)﹣(﹣39);
(2)﹣32÷(﹣3)2+3×(﹣2)+|﹣4|.
解:(1)原式=﹣12﹣5﹣14+39
=﹣31+39
=8;
(2)原式=﹣9÷9﹣6+4
=﹣1﹣6+4
=﹣7+4
=﹣3.