问题 填空题

用英文数字填空。                

1. four + eight = ________
2. thirteen + seven = ________
3. seventy - fourteen = ________
4. sixty - thirteen = ________
5. forty-eight - twelve= ________6. seven + eight= ________
7. fourteen + sixteen = ________
8. eighty - sixteen = ________
9. eighty - forty= ________
10. ninety + five = ________                                              

答案
1. twelve
2. fifteen
3. twenty
4. thirty
5. fifty-six  6. sixty-four
7. forty-seven
8. forty
9. thirty-six
10. ninety-five                                                                     
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