问题
解答题
计算下列各题: (1)(1-
(2)-32-50÷(-5)2-1; (3)-1-[2-(1-
(4)(
|
答案
(1)原式=-48+8-36=-76;
(2)原式=-9-2-1=-12;
(3)原式=-1-(2-1+
)×(9-4)=-1-1 6
×5=-7 6
;41 6
(4)原式=-3-32+66+1=32.
计算下列各题: (1)(1-
(2)-32-50÷(-5)2-1; (3)-1-[2-(1-
(4)(
|
(1)原式=-48+8-36=-76;
(2)原式=-9-2-1=-12;
(3)原式=-1-(2-1+
)×(9-4)=-1-1 6
×5=-7 6
;41 6
(4)原式=-3-32+66+1=32.