算一算，选择正确的答案。（并将答案的序号写在横线上）A. seven B. nine C. two
D. eight E. five F. three
1. two ＋ three ＝
2. ten? five ＝
3. nine － six ＝
4. three× three ＝
5. nine － one ＝
6. four ＋ three ＝ 1. E 2. C 3. F 4. B 5. D 6. A