| (1) | | | | | | | | | | | | | | | | | | | | | | | | ( | 9 | a | + | 10 | ) | ( | −3 | a | + | 6 | ) | − | 6 | ( | − | a | + | 2 | ) | | | | | | | | | | | | | | | | | | | | | | | |
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| (2) | | | | | | | | | | | | | | | | | | | | | | | | ( | 9 | w | + | 9 | ) | ( | 2 | w | − | 10 | ) | − | 8 | ( | −9 | w | + | 3 | ) | | | | | | | | | | | | | | | | | | | | | | | |
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| (3) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | 4 | v | + | 10 | ) | ( | 5 | v | − | 3 | ) | − | ( | −9 | v | − | 3 | ) | ( | −8 | v | − | 3 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (4) | | | | | | | | | | | | | | | | | | | | | | | | | ( | x | − | 9 | ) | ( | x | + | 9 | ) | + | ( | x | + | 2 | ) | ( | x | − | 5 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (5) | | | | | | | | | | | | | | | | | | | | | | | | ( | 8 | v | − | 9 | ) | ( | −8 | v | + | 1 | ) | − | 6 | ( | −5 | v | − | 6 | ) | | | | | | | | | | | | | | | | | | | | | | | |
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| (6) | | | | | | | | | | | | | | | | | | | | | | | | | ( | p | + | 1 | ) | ( | p | − | 1 | ) | + | ( | p | + | 10 | ) | ( | p | − | 6 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (7) | | | | | | | | | | | | | | | | | | | | | | | | | ( | r | + | 5 | ) | ( | r | + | 9 | ) | − | ( | r | + | 9 | ) | ( | r | − | 5 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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