用1.3.6.9算24点?

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