问题
解答题
计算题: (1)
(2)
|
答案
(1)
-12
-1 3 1 1 3
=2
-3 1 3
-3 2 3 3
=(2-
-1 3
)2 3 3
=
;3
(2)
-8
×2 3 4 2 11
=2
-2
×11 4 2 11
=2
-2 1 2 2
=3 2 2
计算题: (1)
(2)
|
(1)
-12
-1 3 1 1 3
=2
-3 1 3
-3 2 3 3
=(2-
-1 3
)2 3 3
=
;3
(2)
-8
×2 3 4 2 11
=2
-2
×11 4 2 11
=2
-2 1 2 2
=3 2 2