Missing Factor
X 6
X 7
X 8
X 9
100

7 x ? = 35

5

100
6 x 4 =
24
100

7 x 3 = 

21

100

8 x 2 =

16

100

9 x 3 = 

27
200

? x 6 = 36

6

200

6 x 5 =

30

200

7 x 4 =

28

200

8 x 3 =

24

200

9 x 4 =

37

300

3 x ? = 21

7

300

6 x 6 = 

36

300

7 x 5 =

35

300

8 x 4 =

32
300

9 x 5 =

45

400

8 x ? = 48

6

400

6 x 7 = 

42

400

7 x 6 = 

42
400

8 x 5 = 

40

400

9 x 7 = 

63

500

? x 6 = 54

9

500

6 x 9 =

54

500

7 x 7 =

49

500

8 x 7 = 

56

500

9 x 9 = 

81

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