| (1) | | 2 | | 1 | | | 4 | | | 4 | | 1 | | | 2 | | | | ( | u | + | ) | + | ( | u | + | ) | | | 5 | 2 | 5 | 5 | 2 | 3 | | | | | | | | | | |
| | | | 2 | | 1 | | | 2 | | 4 | | 4 | | 1 | | | 4 | | 2 | | 3 | | | 64 | | | = | × | u | + | × | + | × | u | + | × | = | u | + | | | 5 | 2 | 5 | 5 | 5 | 2 | 5 | 3 | 5 | 75 | | | | | | | | | | | | | | |
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| (2) | | 1 | | 1 | | | 1 | | | | 4 | | 1 | | | 3 | | | | | ( | x | − | y | ) | + | ( | x | − | y | ) | | | 2 | 5 | 2 | 5 | 2 | 7 | | | | | | | | | | | | |
| | | | 1 | | 1 | | | 1 | | 1 | | | 4 | | 1 | | | 4 | | 3 | | | 1 | | | 83 | | | | = | × | x | − | × | y | + | × | x | − | × | y | = | x | − | y | | | 2 | 5 | 2 | 2 | 5 | 2 | 5 | 7 | 2 | 140 | | | | | | | | | | | | | | | | | |
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| (3) | | 2 | | 1 | | | 1 | | | 1 | | | 1 | | 1 | | | 2 | | | 3 | | | | ( | a | + | b | − | ) | + | ( | a | + | b | + | ) | | | 3 | 4 | 3 | 4 | 5 | 3 | 5 | 4 | | | | | | | | | | | | | | |
| | | | 2 | | 1 | | | 2 | | 1 | | | 2 | | 1 | | 1 | | 1 | | | 1 | | 2 | | | 1 | | 3 | | 7 | | | 68 | | | 1 | | | = | × | a | + | × | b | − | × | + | × | a | + | × | b | + | × | = | a | + | b | − | | | 3 | 4 | 3 | 3 | 3 | 4 | 5 | 3 | 5 | 5 | 5 | 4 | 30 | 225 | 60 | | | | | | | | | | | | | | | | | | | | | | |
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| (4) | | 6 | | 1 | | | 1 | | | | 1 | | 4 | | | 1 | | | | | ( | a | + | b | ) | + | ( | a | − | b | ) | | | 7 | 2 | 2 | 5 | 5 | 2 | | | | | | | | | | | | |
| | | | 6 | | 1 | | | 6 | | 1 | | | 1 | | 4 | | | 1 | | 1 | | | 103 | | | 23 | | | | = | × | a | + | × | b | + | × | a | − | × | b | = | a | + | b | | | 7 | 2 | 7 | 2 | 5 | 5 | 5 | 2 | 175 | 70 | | | | | | | | | | | | | | | | | |
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| (5) | | 4 | | 1 | | | 4 | | | | 5 | | 1 | | | 3 | | | | | ( | p | − | q | ) | − | ( | p | − | q | ) | | | 5 | 3 | 5 | 6 | 3 | 4 | | | | | | | | | | | | |
| | | | 4 | | 1 | | | 4 | | 4 | | | 5 | | 1 | | | 5 | | 3 | | | | 1 | | | 3 | | | | = | × | p | − | × | q | − | × | p | + | × | q | = | − | p | − | q | | | 5 | 3 | 5 | 5 | 6 | 3 | 6 | 4 | 90 | 200 | | | | | | | | | | | | | | | | | | |
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| (6) | | 2 | | 1 | | | 1 | | | | 5 | | 3 | | | 6 | | | | | ( | p | − | q | ) | + | ( | p | − | q | ) | | | 3 | 4 | 2 | 6 | 4 | 7 | | | | | | | | | | | | |
| | | | 2 | | 1 | | | 2 | | 1 | | | 5 | | 3 | | | 5 | | 6 | | | 19 | | | 22 | | | | = | × | p | − | × | q | + | × | p | − | × | q | = | p | − | q | | | 3 | 4 | 3 | 2 | 6 | 4 | 6 | 7 | 24 | 21 | | | | | | | | | | | | | | | | | |
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| (7) | | 1 | | 1 | | | 4 | | | 3 | | 2 | | | 3 | | | | ( | a | − | ) | − | ( | a | − | ) | | | 2 | 5 | 7 | 5 | 3 | 7 | | | | | | | | | | |
| | | | 1 | | 1 | | | 1 | | 4 | | 3 | | 2 | | | 3 | | 3 | | | 3 | | | 1 | | | = | × | a | − | × | − | × | a | + | × | = | − | a | − | | | 2 | 5 | 2 | 7 | 5 | 3 | 5 | 7 | 10 | 35 | | | | | | | | | | | | | | | |
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