(1) | | 2 | | 3 | | | 1 | | | 1 | | 1 | | | 1 | | | ( | a | − | ) | + | ( | a | − | ) | | 7 | 7 | 2 | 3 | 2 | 3 | | | | | | | | | | |
| | | 2 | | 3 | | | 2 | | 1 | | 1 | | 1 | | | 1 | | 1 | | 85 | | | 16 | | = | × | a | − | × | + | × | a | − | × | = | a | − | | 7 | 7 | 7 | 2 | 3 | 2 | 3 | 3 | 294 | 63 | | | | | | | | | | | | | | |
|
(2) | | 1 | | 1 | | | 1 | | | 4 | | 3 | | | 2 | | | ( | u | + | ) | + | ( | u | − | ) | | 4 | 2 | 6 | 7 | 5 | 5 | | | | | | | | | | |
| | | 1 | | 1 | | | 1 | | 1 | | 4 | | 3 | | | 4 | | 2 | | 131 | | | 157 | | = | × | u | + | × | + | × | u | − | × | = | u | − | | 4 | 2 | 4 | 6 | 7 | 5 | 7 | 5 | 280 | 840 | | | | | | | | | | | | | | |
|
(3) | | 2 | | 5 | | | 4 | | | | 1 | | 1 | | | 5 | | | | ( | a | + | b | ) | + | ( | a | + | b | ) | | 3 | 7 | 5 | 2 | 2 | 7 | | | | | | | | | | | | |
| | | 2 | | 5 | | | 2 | | 4 | | | 1 | | 1 | | | 1 | | 5 | | | 61 | | | 187 | | | = | × | a | + | × | b | + | × | a | + | × | b | = | a | + | b | | 3 | 7 | 3 | 5 | 2 | 2 | 2 | 7 | 84 | 210 | | | | | | | | | | | | | | | | | |
|
(4) | | 5 | | 4 | | | 6 | | | | 1 | | 1 | | | 1 | | | | ( | a | − | b | ) | − | ( | a | + | b | ) | | 7 | 5 | 7 | 4 | 4 | 3 | | | | | | | | | | | | |
| | | 5 | | 4 | | | 5 | | 6 | | | 1 | | 1 | | | 1 | | 1 | | | 57 | | | 409 | | | = | × | a | − | × | b | − | × | a | − | × | b | = | a | − | b | | 7 | 5 | 7 | 7 | 4 | 4 | 4 | 3 | 112 | 588 | | | | | | | | | | | | | | | | | |
|
(5) | | 5 | | 1 | | | 1 | | | 2 | | 2 | | | 6 | | | ( | u | − | ) | − | ( | u | + | ) | | 7 | 3 | 2 | 7 | 7 | 7 | | | | | | | | | | |
| | | 5 | | 1 | | | 5 | | 1 | | 2 | | 2 | | | 2 | | 6 | | 23 | | | 59 | | = | × | u | − | × | − | × | u | − | × | = | u | − | | 7 | 3 | 7 | 2 | 7 | 7 | 7 | 7 | 147 | 98 | | | | | | | | | | | | | | |
|
(6) | | 2 | | 1 | | | 5 | | | | 1 | | 1 | | | 1 | | | | ( | a | + | b | ) | + | ( | a | − | b | ) | | 3 | 2 | 7 | 4 | 2 | 3 | | | | | | | | | | | | |
| | | 2 | | 1 | | | 2 | | 5 | | | 1 | | 1 | | | 1 | | 1 | | | 11 | | | 11 | | | = | × | a | + | × | b | + | × | a | − | × | b | = | a | + | b | | 3 | 2 | 3 | 7 | 4 | 2 | 4 | 3 | 24 | 28 | | | | | | | | | | | | | | | | | |
|
(7) | | 2 | | 3 | | | 1 | | | | 1 | | 3 | | | 1 | | | | ( | u | − | v | ) | − | ( | u | + | v | ) | | 3 | 5 | 2 | 2 | 5 | 2 | | | | | | | | | | | | |
| | | 2 | | 3 | | | 2 | | 1 | | | 1 | | 3 | | | 1 | | 1 | | | 1 | | | 7 | | | = | × | u | − | × | v | − | × | u | − | × | v | = | u | − | v | | 3 | 5 | 3 | 2 | 2 | 5 | 2 | 2 | 10 | 12 | | | | | | | | | | | | | | | | | |
|