试题：
| 我是小小数学家。填入正确的数字。 |
| 1. twelve pigs + thirteen pigs = 2. three dogs + ten dogs = 3. There are six pigs, nine cows, five sheep, two cats and nine goats on the farm. How many animals on the farm? . 4. In my classroom, there are thirty boys and twenty-five girls. How many students in my classroom? . |
单词、词组
2016-05-28
答案：
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