\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
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\(3+6-9\)
\(=\)
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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