[r]
(1)100– 90 – 80 – 70 – 60 – 50 – 40 – 30 – 20 – 10 – –
100– 90 – 80 – 70 – 60 – 50 – 40 – 30 – 20 – 10 – –
– 100 – 90 – 80 – 70 – 60 – 50 – 40 – 30 – 20 – 100
– 90 – 80 – 70 – 60 – 50 – 40 – 30 – 20
(2)100– 90 – 80 – 70 – 60 – 50 – 40 – 30 – 20 – 10 – –
100– 90 – 80 – 70 – 60 – 50 – 40 – 30 – 20 – 10 – –
– 100 – 90 – 80 – 70 – 60 – 50 – 40 – 30 – 20
–00 –90 –80 –70 –60 –50 –40 –30
– 100
– 90
– 80
– 70
– 60
– 50
– 40
– 30