问题
填空题
计算:
|
答案
原式=
-2 (
-3
) 22 6
=
-2
-3 2 6
=
-
(2
+3
)2 (
-3
)(2
+3
) 2 6
=
+2-6 6
=2.
故答案2.
计算:
|
原式=
-2 (
-3
) 22 6
=
-2
-3 2 6
=
-
(2
+3
)2 (
-3
)(2
+3
) 2 6
=
+2-6 6
=2.
故答案2.