3 + (3 × 10) - 9
3 + (3 × 10 - 9)
3 + 3 × 10 - 9
(3 + 3 × 10) - 9
3 - 9 + 3 × 10
(3 - 9) + 3 × 10
3 - 9 +(3 × 10)
(3 - 9) + (3 × 10)
3 - (9 - 3 × 10)
3 × 10 +(3 - 9)
(3 × 10) + (3 - 9)
3 - 9 + 10 × 3
(3 - 9) + 10 × 3
3 - 9 +(10 × 3)
(3 - 9) + (10 × 3)
3 - (9 - 10 × 3)
3 × 10 + 3 - 9
(3 × 10) + 3 - 9
(3 × 10 + 3) - 9
3 × 10 -(9 - 3)
(3 × 10) - (9 - 3)
3 + 10 × 3 - 9
(3 + 10 × 3) - 9
10 × 3 -(9 - 3)
(10 × 3) - (9 - 3)
10 × 3 + 3 - 9
(10 × 3) + 3 - 9
(10 × 3 + 3) - 9