x3

x3

x4

x6

x7

x8

100

2 x 3-0

What is 6

100

4 x 2+6

What is 14

100

6 x 3-2

What is 16

100

3 x 7-5

What is 16

100

8 x 9-0

What is 72

200

3 x 3

What is 9

200

4 x 4

What is 16

200

6 x 8

What is 48

200

7 x 8

What is 56

200

8 x 7

What is 56

300

3 x 4+1

What is 13

300

4 x 9+4

What is 40

300

6 x 4+0

What is 24

300

7 x 7+6

What is 55

300

8 x 8+3

What is 67

400

6 x 3

What is 18

400

4 x 9

What is 36

400

6 x 6

What is 36

400

7 x 6

What is 42

400

8 x 4

What is 32

500

8 x 3-1

What is 23

500

4 x 7-3

What is 25

500

6 x 9-4

What is 50

500

7 x 10-3

What is 67

500

8 x 10-0

What is 80

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