1. f(x) = -f(-x)
2. f(x) = f(-x)
3. f(x) = f(-x)+2
4. f(x) = 1-f(-x)
f(x) = f(-x)
1. China
2. Japan
3. Malaysia
4. Thailand
China
1. China
2. Japan
3. Malaysia
4. Thailand
Japan
1. China & Japan
2. India & China
3. Malaysia & Japan
4. Thailand & Japan
Thailand & Japan
1. Malaysia & China
2. China & Thailand
3. Thailand & Japan
4. Japan & Malaysia
Japan & Malaysia
1. 1
2. 2
3. 3
4. 4
1
1. 1
2. 2
3. 3
4. 4
1
1. 1
2. 2
3. 3
4. 4
1
1. 1
2. 2
3. 3
4. 4
2
1. 1
2. 2
3. 3
4. 4
4