问题
解答题
计算 (1)-12012+|-
(2)(
|
答案
(1)原式=-1-
×5 7
+87 5
=-1-1+8
=6;
(2)原式=(
-2 3
+1 10
-1 6
)×(-30)2 5
=-20+3-5+12
=-10.
计算 (1)-12012+|-
(2)(
|
(1)原式=-1-
×5 7
+87 5
=-1-1+8
=6;
(2)原式=(
-2 3
+1 10
-1 6
)×(-30)2 5
=-20+3-5+12
=-10.