题目内容
递等式计算.
(1)5÷
-
÷5
(2)7.2÷[(21.84-
)×
].
(1)5÷
| 5 |
| 7 |
| 5 |
| 7 |
(2)7.2÷[(21.84-
| 6 |
| 25 |
| 2 |
| 3 |
(1)5÷
| 5 |
| 7 |
| 5 |
| 7 |
=7-
| 1 |
| 7 |
=6
| 6 |
| 7 |
(2)7.2÷[(21.84-
| 6 |
| 25 |
| 2 |
| 3 |
=7.2÷[21.6×
| 2 |
| 3 |
=7.2÷14.4,
=0.5.
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题目内容
| 5 |
| 7 |
| 5 |
| 7 |
| 6 |
| 25 |
| 2 |
| 3 |
| 5 |
| 7 |
| 5 |
| 7 |
| 1 |
| 7 |
| 6 |
| 7 |
| 6 |
| 25 |
| 2 |
| 3 |
| 2 |
| 3 |