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? .
试题答案
1. twenty-five pigs 2. thirteen dogs 3. Thirty-one 4. Fifty-five