问题
解答题
计算下列各题. (1)[-2-3-8-1×(-1)-2]×(-
(2)2 -1-(-
|
答案
(1)[-2-3-8-1×(-1)-2]×(-
)-2×901 2
=(-
-1 8
×1)×4×11 8
=-
×41 4
=-1;
(2)2-1-(-
)-2+(2 3
)03 2
=
-1 2
+19 4
=
-3 2 9 4
=-
.3 4
计算下列各题. (1)[-2-3-8-1×(-1)-2]×(-
(2)2 -1-(-
|
(1)[-2-3-8-1×(-1)-2]×(-
)-2×901 2
=(-
-1 8
×1)×4×11 8
=-
×41 4
=-1;
(2)2-1-(-
)-2+(2 3
)03 2
=
-1 2
+19 4
=
-3 2 9 4
=-
.3 4