问题
填空题
填入合适的数词，用英文表示。
1. two + four = _______________
2. five × two = _______________
3. nine －one = _______________
4. eight ÷ four = _______________
5. three × three = _______________
6. seven －six = _______________
答案
1. six 2. ten 3. eight 4. two 5. nine 6. one