问题
计算题
计算:
(1)(﹣14)﹣14+(﹣5)﹣(﹣30)﹣(+2);
(2)﹣12008﹣[5×(﹣2)﹣(﹣4)2÷(﹣8)].
答案
解:(1)(﹣14)﹣14+(﹣5)﹣(﹣30)﹣(+2)
=﹣14﹣14﹣5+30﹣2
=﹣(14+14+5+2)+30
=﹣35+30
=﹣5;
(2)﹣12008﹣[5×(﹣2)﹣(﹣4)2÷(﹣8)]
=﹣1﹣[﹣10﹣16÷(﹣8)]
=﹣1﹣[﹣10+2]
=﹣1+8
=7.