x2
x5
x9
x10
Multiples of 10
100

1x2

2

100

5x10

50

100

1x9

9

100

10x0 

0
100

1x40

40

200

7x2

14

200

5x3

15

200

9x9

81

200

10x3

30

200

90x5

450

300

5x2

10

300

5x5

25

300

7x9

63

300

10x2

20

300

0x80

0

400

10x2

20

400

1x5

5

400

3x9

27

400

10x6

60

400

5x10

50

500

4x2

8

500

5x9

45

500

4x9

36

500

5x10

50

500

50x6

300

600

3x2

6

600

8x5

40

600

5x9

45

600

9x10

90

600

20x8

160

700

9x2

18

700

7x5

35

700

2x9

18

700

7x10

70

700

90x9

810

800

0x2

0

800

5x2

10

800

8x9

72

800

10x10

100

800

50x8

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