| 2 |
| 9 |
=56÷
| 16 |
| 9 |
=
| 63 |
| 2 |
答：商是
| 63 |
| 2 |
②60÷
| 2 |
| 3 |
| 7 |
| 9 |
=90×
| 7 |
| 9 |
=70；
答：这个数的
| 7 |
| 9 |
③（
| 1 |
| 2 |
| 3 |
| 4 |
| 3 |
| 4 |
| 1 |
| 2 |
=
| 3 |
| 8 |
| 3 |
| 2 |
=
| 1 |
| 4 |
答：甲数是乙数的
| 1 |
| 4 |
④设这个数是x，
1
| 1 |
| 3 |
| 1 |
| 3 |
| 5 |
| 7 |
1
| 1 |
| 3 |
| 5 |
| 3 |
1
| 1 |
| 3 |
| 1 |
| 3 |
| 5 |
| 3 |
| 1 |
| 3 |
x=
| 5 |
| 4 |
答：这个数是
| 5 |
| 4 |
| 2 |
| 9 |
| 2 |
| 3 |
| 7 |
| 9 |
| 1 |
| 2 |
| 3 |
| 4 |
| 1 |
| 2 |
| 3 |
| 4 |
| 1 |
| 3 |
| 1 |
| 3 |
| 5 |
| 7 |
| 2 |
| 9 |
| 16 |
| 9 |
| 63 |
| 2 |
| 63 |
| 2 |
| 2 |
| 3 |
| 7 |
| 9 |
| 7 |
| 9 |
| 7 |
| 9 |
| 1 |
| 2 |
| 3 |
| 4 |
| 3 |
| 4 |
| 1 |
| 2 |
| 3 |
| 8 |
| 3 |
| 2 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 3 |
| 5 |
| 7 |
| 1 |
| 3 |
| 5 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 5 |
| 3 |
| 1 |
| 3 |
| 5 |
| 4 |
| 5 |
| 4 |