| | | | | | | | | | | | | | | | | | | | | | | | | | | | | = | 6 | × | 10 | p | − | 6 | × | 4 | q | − | 10 | × | 3 | p | + | 10 | × | 2 | q | = | 30 | p | − | 4 | q | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
|
| | | | | | | | | | | | | | | | | | | | | | | | = | 9 | × | 9 | x | − | 9 | + | 9 | × | 10 | x | + | 9 | × | 5 | = | 171 | x | + | 36 | | | | | | | | | | | | | | | | | | | | | | | |
|
(3) | | | | | | | | | | | | | | | | | | | | | | | | 3 | ( | 10 | p | − | 9 | q | + | 5 | ) | − | 7 | ( | 10 | p | − | 9 | q | + | 9 | ) | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | = | 3 | × | 10 | p | − | 3 | × | 9 | q | + | 3 | × | 5 | − | 7 | × | 10 | p | + | 7 | × | 9 | q | − | 7 | × | 9 | = | −40 | p | + | 36 | q | − | 48 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
|
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | = | 4 | × | 9 | u | − | 4 | × | 6 | v | + | 5 | × | 6 | u | − | 5 | × | 7 | v | = | 66 | u | − | 59 | v | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
|
(5) | | | | | | | | | | | | | | | | | | | | | | | 3 | ( | 6 | u | − | 7 | v | − | 10 | ) | + | 9 | ( | 4 | u | − | v | − | 3 | ) | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | = | 3 | × | 6 | u | − | 3 | × | 7 | v | − | 3 | × | 10 | + | 9 | × | 4 | u | − | 9 | v | − | 9 | × | 3 | = | 54 | u | − | 30 | v | − | 57 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
|
| | | | | | | | | | | | | | | | | | | | | | | | | | | = | 4 | × | 5 | a | + | 4 | × | 6 | b | + | 4 | × | 8 | a | − | 4 | b | = | 52 | a | + | 20 | b | | | | | | | | | | | | | | | | | | | | | | | | | | |
|
| | | | | | | | | | | | | | | | | | | | | | | | | | | = | 7 | × | 10 | p | + | 7 | × | 8 | q | − | 9 | p | + | 9 | × | 9 | q | = | 61 | p | + | 137 | q | | | | | | | | | | | | | | | | | | | | | | | | | | |
|