问题
解答题
2
|
答案
2
-5 1 3
+(-6 1 2
+5
)6
=2
-5 1 3
-6 1 2
+5
(2分)6
=(2-
)1 2
+(1-5
)1 3
(2分)6
=3 2
+5 2 3
(2分)6
2
|
2
-5 1 3
+(-6 1 2
+5
)6
=2
-5 1 3
-6 1 2
+5
(2分)6
=(2-
)1 2
+(1-5
)1 3
(2分)6
=3 2
+5 2 3
(2分)6