If 5 + 4 = 9, then...

9 − 4 =

If 7 + 2 = 9, then...

9 − 2 =

If 6 + 2 = 8, then...

8 − 2 =

If 6 + 3 = 9, then...

9 − 3 =

If 8 + 2 = 10, then...

10 − 2 =

If 3 + 6 = 9, then...

9 − 6 =

If 3 + 5 = 8, then...

8 − 5 =

If 4 + 5 = 9, then...

9 − 5 =

If 8 + 1 = 9, then...

9 − 1 =

If 5 + 2 = 7, then...

7 − 2 =

If 9 + 1 = 10, then...

10 − 1 =

If 6 + 4 = 10, then...

10 − 4 =

If 7 + 3 = 10, then...

10 − 3 =

If 4 + 3 = 7, then...

7 − 3 =

If 3 + 4 = 7, then...

7 − 4 =