| (1) | | | | | | | | | | | | | | | | | | | | | | | | ( | −2 | v | − | 10 | ) | ( | −5 | v | + | 9 | ) | − | 4 | ( | 4 | v | + | 4 | ) | | | | | | | | | | | | | | | | | | | | | | | |
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| (2) | | | | | | | | | | | | | | | | | | | | | | | ( | c | + | 10 | ) | ( | 7 | c | + | 4 | ) | − | 5 | ( | −2 | c | + | 9 | ) | | | | | | | | | | | | | | | | | | | | | | |
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| (3) | | | | | | | | | | | | | | | | | | | | | | | | ( | 5 | y | − | 5 | ) | ( | −8 | y | + | 10 | ) | + | 4 | ( | −4 | y | + | 8 | ) | | | | | | | | | | | | | | | | | | | | | | | |
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| (4) | | | | | | | | | | | | | | | | | | | | | | | | ( | 4 | u | − | 2 | ) | ( | 7 | u | − | 7 | ) | + | 2 | ( | −8 | u | − | 6 | ) | | | | | | | | | | | | | | | | | | | | | | | |
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| (5) | | | | | | | | | | | | | | | | | | | | | | | | | ( | b | + | 2 | ) | ( | b | − | 2 | ) | + | ( | b | − | 8 | ) | ( | b | + | 8 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (6) | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | −3 | a | − | 1 | ) | ( | −2 | a | + | 5 | ) | + | ( | a | − | 8 | ) | ( | a | + | 4 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | |
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