问题
解答题
计算: (1)-14-(1-0.5)×
(2)(-2)÷[(-
|
答案
(1)原式=-1-
×1 2
×(-7)1 3
=-1+7 6
=
;1 6
(2)原式=(-2)÷(
×1 4
)×1 8
+53 4
=(-2)×32×
+53 4
=-48+5
=-43.
计算: (1)-14-(1-0.5)×
(2)(-2)÷[(-
|
(1)原式=-1-
×1 2
×(-7)1 3
=-1+7 6
=
;1 6
(2)原式=(-2)÷(
×1 4
)×1 8
+53 4
=(-2)×32×
+53 4
=-48+5
=-43.