1:(11 - 1 × 9) × 12 2:(11 - (1 × 9)) × 12 3:(11 × 1 - 9) × 12 4:((11 × 1) - 9) × 12 5:(11 ÷ 1 - 9) × 12 6:((11 ÷ 1) - 9) × 12 7:(11 - 9) × 12 × 1 8:((11 - 9) × 12) × 1 9:(11 - 9) × (12 × 1) 10:(11 - 9) × 12 ÷ 1 11:((11 - 9) × 12) ÷ 1 12:(11 - 9) × (12 ÷ 1) 13:(11 - 9) × 1 × 12 14:(11 - 9 × 1) × 12 15:((11 - 9) × 1) × 12 16:(11 - (9 × 1)) × 12 17:(11 - 9) × (1 × 12) 18:(11 - 9) ÷ 1 × 12 19:(11 - 9 ÷ 1) × 12 20:((11 - 9) ÷ 1) × 12 21:(11 - (9 ÷ 1)) × 12 22:(11 - 9) ÷ (1 ÷ 12) 23:12 × (11 - 1 × 9) 24:12 × (11 - (1 × 9)) 25:12 × (11 × 1 - 9) 26:12 × ((11 × 1) - 9) 27:12 × (11 ÷ 1 - 9) 28:12 × ((11 ÷ 1) - 9) 29:(12 × (11 - 9)) × 1 30:12 × (11 - 9) × 1 31:12 × (11 - 9 × 1) 32:12 × ((11 - 9) × 1) 33:12 × (11 - (9 × 1)) 34:(12 × (11 - 9)) ÷ 1 35:12 × (11 - 9) ÷ 1 36:12 × (11 - 9 ÷ 1) 37:12 × ((11 - 9) ÷ 1) 38:12 × (11 - (9 ÷ 1)) 39:12 × (1 × 11 - 9) 40:12 × ((1 × 11) - 9) 41:12 × (1 × (11 - 9)) 42:12 × 1 ×(11 - 9) 43:(12 × 1) × (11 - 9) 44:12 ÷ 1 ×(11 - 9) 45:(12 ÷ 1) × (11 - 9) 46:12 ÷ (1 ÷ (11 - 9)) 47:(1 × 11 - 9) × 12 48:((1 × 11) - 9) × 12 49:(1 × (11 - 9)) × 12 50:1 × (11 - 9) × 12 51:1 × ((11 - 9) × 12) 52:1 × (12 × (11 - 9)) 53:1 × 12 ×(11 - 9) 54:(1 × 12) × (11 - 9)