题目内容
脱式计算
| 9÷
|
|
|
①
×
÷
，
=
×
×
，
=1
；
②9÷
÷
，
=9×
×
，
=
，
=5
；
③
÷
×
，
=
×
×
，
=
；
④
×
×
，
=
×（
×
），
=
×6，
=
．
| 5 |
| 6 |
| 14 |
| 3 |
| 28 |
| 9 |
=
| 5 |
| 6 |
| 14 |
| 3 |
| 9 |
| 28 |
=1
| 1 |
| 4 |
②9÷
| 15 |
| 8 |
| 5 |
| 6 |
=9×
| 8 |
| 15 |
| 6 |
| 5 |
=
| 144 |
| 25 |
=5
| 19 |
| 25 |
③
| 4 |
| 7 |
| 6 |
| 5 |
| 7 |
| 15 |
=
| 4 |
| 7 |
| 5 |
| 6 |
| 7 |
| 15 |
=
| 2 |
| 9 |
④
| 27 |
| 4 |
| 10 |
| 9 |
| 27 |
| 5 |
=
| 27 |
| 4 |
| 10 |
| 9 |
| 27 |
| 5 |
=
| 27 |
| 4 |
=
| 81 |
| 2 |
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