Total Questions: 50
9 × N of 4 ÷ 4 - 15 × 4 = 12
(60 + 64 ÷ 4 of 4) × {1000 ÷ ((10 of (3 + 2)) × 2 of 5)} - 28 + (100 × 3 of 3).
(3 - 3 × 3 + 3 ÷ 3 + 3 × 5) × 2 of 5 + (2 + 2 ÷ 2 + 2 × 2 - 2)