题目内容
(1
-
×1
)÷[(3
+4.375)÷19
].
| 5 |
| 16 |
| 2 |
| 3 |
| 1 |
| 8 |
| 1 |
| 12 |
| 8 |
| 9 |
(1
-
×1
)÷[(3
+4.375)÷19
],
=(1
-
)÷[
×
],
=
÷
,
=2.
| 5 |
| 16 |
| 2 |
| 3 |
| 1 |
| 8 |
| 1 |
| 12 |
| 8 |
| 9 |
=(1
| 5 |
| 16 |
| 3 |
| 4 |
| 179 |
| 24 |
| 9 |
| 179 |
=
| 3 |
| 4 |
| 3 |
| 8 |
=2.
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