问题
解答题
计算 (1)(-4)-(+13)+(-5)-(-9) (2)(-48)÷8-(-25)×(-6) (3)-14-(1-0.5)×
(4)(
|
答案
(1)原式=-4-13-5+9
=-13;
(2)原式=-6-150
=-156;
(3)原式=-1-
×1 2
×(-7)1 3
=-1+7 6
=
;1 6
(4)原式=-40+5+4
=-31.
计算 (1)(-4)-(+13)+(-5)-(-9) (2)(-48)÷8-(-25)×(-6) (3)-14-(1-0.5)×
(4)(
|
(1)原式=-4-13-5+9
=-13;
(2)原式=-6-150
=-156;
(3)原式=-1-
×1 2
×(-7)1 3
=-1+7 6
=
;1 6
(4)原式=-40+5+4
=-31.