题目内容
(-
)÷(
-
+
-
)
1 |
18 |
1 |
6 |
1 |
10 |
2 |
3 |
2 |
5 |
(-
)÷(
-
+
-
),
=(-
)÷(
-
+
-
),
=(-
)÷
,
=-
×3,
=-
.
1 |
18 |
1 |
6 |
1 |
10 |
2 |
3 |
2 |
5 |
=(-
1 |
18 |
5 |
30 |
3 |
30 |
20 |
30 |
12 |
30 |
=(-
1 |
18 |
1 |
3 |
=-
1 |
18 |
=-
1 |
6 |
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