问题
解答题
计算: (1)(
(2)-1-(1+0.5)×
|
答案
(1)原式=
×24+1 3
×24-1 4
×24=8+6-4=10;1 6
(2)原式=-1-1.5×
×(-1 3
)=-1+1 4
=-1 8
.7 8
计算: (1)(
(2)-1-(1+0.5)×
|
(1)原式=
×24+1 3
×24-1 4
×24=8+6-4=10;1 6
(2)原式=-1-1.5×
×(-1 3
)=-1+1 4
=-1 8
.7 8