| (1) | | | 1 | | | | | | | 5 | | | | | | | 3 | | | | | | | − | p | q | ÷ | ( | − | p | ) | ÷ | ( | − | q | r | ) | | | 3 | | 6 | | 4 | | | | | | | | | | | | | | | | | | | |
|
| (2) | | | 1 | | | | 2 | | | | | | 3 | | | | | | | | − | v | w | × | u | ÷ | ( | − | v | w | ) | | | 2 | 5 | | 5 | | | | | | | | | | | | | | | | | |
|
| (3) | | 3 | | | | | 3 | | | | | | | 2 | | | | | | u | ÷ | ( | u | ) | × | ( | − | ) | w | | | 5 | | 4 | | 3 | | | | | | | | | | | | | | | |
|
| (4) | | 1 | | | | | | 6 | | | | | | | | 1 | | | | | | b | c | × | b | c | × | ( | − | ) | a | | | 6 | | | 7 | | | 2 | | | | | | | | | | | | | | | | | |
|
| (5) | | 2 | | | | | 1 | | | | | | 3 | | | | | w | × | ( | − | ) | u | ÷ | ( | v | ) | | | 3 | 2 | | 7 | | | | | | | | | | | | |
|
| (6) | | 1 | | | | | | | 3 | | | | | | 1 | | | | | | | b | c | × | ( | − | ) | b | ÷ | ( | a | b | ) | | | 2 | | 4 | | 2 | | | | | | | | | | | | | | | | | |
|
| (7) | | 2 | | | | | | | | 2 | | | | | | | | 1 | | | | | | x | y | ÷ | ( | − | x | y | ) | ÷ | ( | − | x | ) | | | 5 | | | 3 | | 2 | | | | | | | | | | | | | | | | | | | |
|
| (8) | | 1 | | | | | 5 | | | | | | 2 | | | | | a | ÷ | ( | b | ) | × | ( | − | ) | a | | | 3 | | 6 | 3 | | | | | | | | | | | | |
|