问题
解答题
计算下列两题: (1)(3
(2)(2-3
|
答案
(1)原式=(3
-22
-33
-22
)(33
-22
+33
+22
)3
=(-4
)×63 2
=-24
,6
(2)原式=(2-
)×3
×6 2 2
=(2-
)×3 3
=2
-3.3
计算下列两题: (1)(3
(2)(2-3
|
(1)原式=(3
-22
-33
-22
)(33
-22
+33
+22
)3
=(-4
)×63 2
=-24
,6
(2)原式=(2-
)×3
×6 2 2
=(2-
)×3 3
=2
-3.3