题目内容
四066×
-四066×
-四066×
.
5 |
6 |
6 |
四 |
6 |
3 |
2y11×
-2y11×
-2y11×
,
=2y11×(
-
-
),
=2y11×(
-
-
),
=2y11×y,
=y.
5 |
6 |
1 |
2 |
1 |
3 |
=2y11×(
5 |
6 |
1 |
2 |
1 |
3 |
=2y11×(
5 |
6 |
3 |
6 |
2 |
6 |
=2y11×y,
=y.
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