问题
解答题
计算: (1)2
(2)(
|
答案
(1)2
-8 1 2
+612
=41 3
-2
+23
=43
+2
;3
(2)(
-3
)2+(2
-5
)(3
+5
)=3-23
+2+5-3=7-26
.6
计算: (1)2
(2)(
|
(1)2
-8 1 2
+612
=41 3
-2
+23
=43
+2
;3
(2)(
-3
)2+(2
-5
)(3
+5
)=3-23
+2+5-3=7-26
.6