问题
解答题
计算:(1)(
|
答案
(1)(
)2-3
+16
+3 -8 (-2)2
=3-4-2+2
=5-6
=-1;
(2)|
-2
|-|2-3
|-|3
-1|3
=
-3
-(2-2
)-(3
-1)3
=
-3
-2+2
-3
+13
=
-3
-1.2
计算:(1)(
|
(1)(
)2-3
+16
+3 -8 (-2)2
=3-4-2+2
=5-6
=-1;
(2)|
-2
|-|2-3
|-|3
-1|3
=
-3
-(2-2
)-(3
-1)3
=
-3
-2+2
-3
+13
=
-3
-1.2