| (1) | | 1 | | 5 | | | 1 | | | 1 | | 3 | | | 4 | | | | ( | x | + | ) | − | ( | x | + | ) | | | 3 | 6 | 3 | 2 | 4 | 5 | | | | | | | | | | |
| | | | 1 | | 5 | | | 1 | | 1 | | 1 | | 3 | | | 1 | | 4 | | | 7 | | | 13 | | | = | × | x | + | × | − | × | x | − | × | = | − | x | − | | | 3 | 6 | 3 | 3 | 2 | 4 | 2 | 5 | 72 | 45 | | | | | | | | | | | | | | | |
|
| (2) | | 3 | | 3 | | | 4 | | | 3 | | 1 | | | 4 | | | | ( | p | + | ) | − | ( | p | − | ) | | | 7 | 4 | 5 | 5 | 2 | 7 | | | | | | | | | | |
| | | | 3 | | 3 | | | 3 | | 4 | | 3 | | 1 | | | 3 | | 4 | | 3 | | | 24 | | | = | × | p | + | × | − | × | p | + | × | = | p | + | | | 7 | 4 | 7 | 5 | 5 | 2 | 5 | 7 | 140 | 35 | | | | | | | | | | | | | | |
|
| (3) | | 3 | | 5 | | | 1 | | | | 1 | | 3 | | | 1 | | | | | ( | x | − | y | ) | + | ( | x | + | y | ) | | | 4 | 6 | 2 | 7 | 4 | 2 | | | | | | | | | | | | |
| | | | 3 | | 5 | | | 3 | | 1 | | | 1 | | 3 | | | 1 | | 1 | | | 41 | | | 17 | | | | = | × | x | − | × | y | + | × | x | + | × | y | = | x | − | y | | | 4 | 6 | 4 | 2 | 7 | 4 | 7 | 2 | 56 | 56 | | | | | | | | | | | | | | | | | |
|
| (4) | | 3 | | 5 | | | 3 | | | | 1 | | 2 | | | 2 | | | | | ( | a | − | b | ) | + | ( | a | − | b | ) | | | 4 | 7 | 4 | 5 | 3 | 3 | | | | | | | | | | | | |
| | | | 3 | | 5 | | | 3 | | 3 | | | 1 | | 2 | | | 1 | | 2 | | | 281 | | | 167 | | | | = | × | a | − | × | b | + | × | a | − | × | b | = | a | − | b | | | 4 | 7 | 4 | 4 | 5 | 3 | 5 | 3 | 420 | 240 | | | | | | | | | | | | | | | | | |
|
| (5) | | 2 | | 1 | | | 1 | | | 1 | | | 4 | | 3 | | | 2 | | | 1 | | | | ( | a | − | b | + | ) | + | ( | a | − | b | + | ) | | | 3 | 2 | 2 | 4 | 7 | 4 | 3 | 2 | | | | | | | | | | | | | | |
| | | | 2 | | 1 | | | 2 | | 1 | | | 2 | | 1 | | 4 | | 3 | | | 4 | | 2 | | | 4 | | 1 | | 16 | | | 5 | | | 19 | | | = | × | a | − | × | b | + | × | + | × | a | − | × | b | + | × | = | a | − | b | + | | | 3 | 2 | 3 | 2 | 3 | 4 | 7 | 4 | 7 | 3 | 7 | 2 | 21 | 7 | 42 | | | | | | | | | | | | | | | | | | | | | | |
|
| (6) | | 1 | | 1 | | | 1 | | | 5 | | | 3 | | 1 | | | 1 | | | 1 | | | | ( | x | − | y | + | ) | − | ( | x | + | y | − | ) | | | 2 | 6 | 4 | 6 | 5 | 5 | 3 | 4 | | | | | | | | | | | | | | |
| | | | 1 | | 1 | | | 1 | | 1 | | | 1 | | 5 | | 3 | | 1 | | | 3 | | 1 | | | 3 | | 1 | | | 11 | | | 13 | | | 17 | | | = | × | x | − | × | y | + | × | − | × | x | − | × | y | + | × | = | − | x | − | y | + | | | 2 | 6 | 2 | 4 | 2 | 6 | 5 | 5 | 5 | 3 | 5 | 4 | 300 | 40 | 30 | | | | | | | | | | | | | | | | | | | | | | | |
|
| (7) | | 2 | | 3 | | | 2 | | | | 1 | | 2 | | | 1 | | | | | ( | a | − | b | ) | + | ( | a | + | b | ) | | | 3 | 4 | 3 | 2 | 7 | 3 | | | | | | | | | | | | |
| | | | 2 | | 3 | | | 2 | | 2 | | | 1 | | 2 | | | 1 | | 1 | | | 9 | | | 5 | | | | = | × | a | − | × | b | + | × | a | + | × | b | = | a | − | b | | | 3 | 4 | 3 | 3 | 2 | 7 | 2 | 3 | 14 | 18 | | | | | | | | | | | | | | | | | |
|