题目内容
小明看一本故事书,第一天看了它的
,第二天看了它的
.还剩几分之几没看?
| 2 |
| 13 |
| 5 |
| 13 |
1-
-
,
=1-(
+
),
=1-
,
=
;
答:还剩
没看.
| 2 |
| 13 |
| 5 |
| 13 |
=1-(
| 2 |
| 13 |
| 5 |
| 13 |
=1-
| 7 |
| 13 |
=
| 6 |
| 13 |
答:还剩
| 6 |
| 13 |
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