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\(3+8-6\)
\(=\)
7
8
9
4
5
6
1
2
3
C
0
.
\(-\)
7
8
9
4
5
6
1
2
3
C
0
.
\(=\)
7
8
9
4
5
6
1
2
3
C
0
.
\(+\)
\(-\)
\(=\)
\(-\)
\(=\)
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