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9 questions
5ab + 3ab
15ab
8ab
15a2b2
8a2b2
-7p - 8q + p - q =
-6p - 9q
15p -q
-8p + 7q
6q + 7p
3k - 3xy - 5xy + 2k
k + 8xy
5k - 2xy
5k - 8xy
k - 2xy
13uv - 8 + vu + 7
12uv - 5
5uv + vu + 7
12uv - 1 + vu
14uv - 1
3a + 5b - 2b - 5
3a + 7b - 5
3a + 3b -5
3a - 7b - 5
3a - 3b - 5
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