(1)(十66)一(一34)十71一29 (2)9十5x(一3)一(一2)^2除4

问题描述:

(1)(十66)一(一34)十71一29 (2)9十5x(一3)一(一2)^2除4

(1)(十66)一(一34)十71一29
=66+34+71-29
=100+71-29
=171-29
=142
(2)9十5x(一3)一(一2)^2除4
=9+(-25)-4÷4
=9-25-1
=-16-1
=-17