【简答题】写数字。 1. seven _____________ 3. nine _____________ 5. one _____________ 7. ten _____________ 9. six _____________ 2. two _____________ 4. five _____________ 6. four _____________ 8. three _____________...
【简答题】用合适的数词填空。 1. six + five = ___________ 3. seven + eight = ___________ 5. twelve ÷ two = ___________ 2. ten + two = ___________ 4. fif - nine = ___________ 6. three × five = ___________