题目内容
(5
-3
)÷2.5+2
.
| 5 |
| 12 |
| 17 |
| 36 |
| 5 |
| 6 |
(5
-3
)÷2.5+2
=(5-3-
+
)÷
+
,
=(1
+
)×
+
,
=
×
+
,
=
+
,
=
.
| 5 |
| 12 |
| 17 |
| 36 |
| 5 |
| 6 |
=(5-3-
| 17 |
| 36 |
| 5 |
| 12 |
| 5 |
| 2 |
| 17 |
| 6 |
=(1
| 19 |
| 36 |
| 5 |
| 12 |
| 2 |
| 5 |
| 17 |
| 6 |
=
| 35 |
| 18 |
| 2 |
| 5 |
| 17 |
| 6 |
=
| 7 |
| 9 |
| 17 |
| 6 |
=
| 65 |
| 18 |
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