题目内容
看图计算.

______+______=______

______+______=______

______-
=______

______-______=______.
______+______=______
______+______=______
______-
| 4 |
| 9 |
______-______=______.
(1)
+
=
;
(2)
+
=1;
(3)
-
=
;
(4)
-
=
.
故答案为:(1)
,
,
;(2)
,
,1;(3)
,
;(4)
,
,
.
| 3 |
| 6 |
| 2 |
| 6 |
| 5 |
| 6 |
(2)
| 2 |
| 3 |
| 1 |
| 3 |
(3)
| 5 |
| 9 |
| 4 |
| 9 |
| 1 |
| 9 |
(4)
| 4 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
故答案为:(1)
| 3 |
| 6 |
| 2 |
| 6 |
| 5 |
| 6 |
| 2 |
| 3 |
| 1 |
| 3 |
| 5 |
| 9 |
| 1 |
| 9 |
| 4 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
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