问题
解答题
(-1)-[-2-(-4)+|-
|
答案
(-1)-[-2-(-4)+|-
|+(-1 2
)]1 3
=(-1)-[-2+4+
-1 2
]1 3
=-1+2-4-
+1 2 1 3
=-3-1 6
=-3
.1 6
(-1)-[-2-(-4)+|-
|
(-1)-[-2-(-4)+|-
|+(-1 2
)]1 3
=(-1)-[-2+4+
-1 2
]1 3
=-1+2-4-
+1 2 1 3
=-3-1 6
=-3
.1 6