Input Output

A ‘number crunching’ machine takes two inputs, called Left and Right for convenience, and combines them in a certain way to produce an output, which we’ll call … Output. 

The rules it uses can be changed, as we have done several times in the Problems below. 

Can you find the rules it is using in each case? The first example is done for you to show you the idea…

A.                                                 B.                                            

Left

Right

Output

4

5

20

3

7

21

6

2

12

10.5

4

42

Left

Right

Output

4

5

23

5

7

38

6

4

27

10

7

73

 

           

                                                                 O = L x R

C.                                                  D.                   

Left

Right

Output

4

8

28

5

3

10

9

7

54

15

5

60

Left

Right

Output

13

8

5

12

9

3

4

6

-2

5

5

0

 

 

 

E.                                                  F.

Left

Right

Output

3

1

5

6

6

18

1

10

21

10

7

24

Left

Right

Output

3

1

5

6

14

21

10

8

19

15

7

23

                       

 

 

G.                                                 H.

Left

Right

Output

3

1

5

5

3

7

10

1

19

15

7

23

Left

Right

Output

3

3

15

2

4

16

3

4

18

10

2

26

 

 

 

J.                                                  K.

Left

Right

Output

4

5

6

5

6

12

5

11

27

17

12

150

11

9

63

Left

Right

Output

12

4

140

10

4

96

5

1

24

1

1

0

 

 

 

Open the File as a Word Document

 

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Last modified: June 18, 2007