Multiply by 2
Multiply by 5
Multiply by 3
100

2x2

4

100

5x5

25

100

3x4

12

200

2x8

16

200

5x8

40

200

3x6

18

300

2x11

22

300

5x9

45

300

3x2

6

400

2x7

14

400

5x4

20

400

3x7

21

500

2x9

18

500

5x6

30

500

3x5

15

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