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