x4

x4

x6

x7

x8

x9

100

4 x 3

What is 12

100

6 x 2

What is 12

100

7 x 3

What is 21

100

8 x 2

What is 16

100

9 x 2

What is 18

200

4 x 4

What is 16

200

6 x 3

What is 18

200

7 x 5

What is 35

200

8 x 3

What is 24

200

9 x 3

What is 27

300

4 x 6

What is 24

300

6 x 5

What is 30

300

7 x 6

What is 42

300

8 x 5

What is 40

300

9 x 6

What is 54

400

4 x 7

What is 28

400

6 x 6

What is 36

400

7 x 7

What is 49

400

8 x 9

What is 72

400

9 x 7

What is 63

500

4 x 8

What is 32

500

6 x 8

What is 48

500

7 x 8

What is 56

500

8 x 10

What is 80

500

9 x 9

What is 81

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