题目内容
(1).

+
=
(2).

-
=
(3).

______+______=______,______+______=______.
| () |
| () |
| () |
| () |
| () |
| () |
(2).
| () |
| () |
| () |
| () |
| () |
| () |
(3).
______+______=______,______+______=______.
(1)
+
=
;
(2)
-
=
;
(3)
+
=
、
+
=
.
故答案为:
、
、
,
、
、
.
| 5 |
| 8 |
| 2 |
| 8 |
| 7 |
| 8 |
(2)
| 3 |
| 3 |
| 1 |
| 3 |
| 2 |
| 3 |
(3)
| 2 |
| 7 |
| 4 |
| 7 |
| 6 |
| 7 |
| 1 |
| 7 |
| 5 |
| 7 |
| 6 |
| 7 |
故答案为:
| 2 |
| 7 |
| 4 |
| 7 |
| 6 |
| 7 |
| 1 |
| 7 |
| 5 |
| 7 |
| 6 |
| 7 |
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