Directions: Using the numbers 1 to 9 at most once each time, fill in the blanks to make the equality true:

### Hint

### Hint

What numbers will produce a difference of zero?

### Answer

### Answer

Because of the commutative property, there are many different answer combinations. One possible solution would be: ( 9 + 6 – 5 + 2 ) – ( 8 + 7 – 4 + 1 )

Source: Bryan Anderson

Also, (9+1-8+2) – (7+3-6+4) = 0.

that would = -4

you can use those numbers just move them around.