QTD: "a" investigation

b

g

i

5

4

6

3

7

1

8

9

2

0

b

g

i

6

3

2

7

4

1

8

9

0

5

• 0
• 1
• 2
• 4
• 8
• -1
• -2

• minimum
• 0
• maximum
• 8
• 2
• -2
• -1
• 1
• undefined

• upwards
• downwards

• wider
• 3
• 1
• narrower
• 2

• less than (<)
• greater than (>)

a

e

g

b

6

4

1

0

7

8

5

2

9

3

a

e

g

b

0

5

3

9

4

8

1

6

7

2