请你填入英文数字.使等式成立. 1. nine - seven = 2

请你填入英文数字，使等式成立。

1. nine － seven = __________

2. eight + six = __________

3. __________ － five = ten

4. nine + four = __________

5. __________ － three = nine

试题答案

1. two 2. fourteen 3. fifteen 4. thirteen 5. twelve