1:(8 + 4) ÷ 3 × 6
2:(8 + 4) ÷ (3 ÷ 6)
3:(8 ÷ 4 + 6) × 3
4:(8 - 6) × 3 × 4
5:(8 - 6 ÷ 3) × 4
6:(8 - 6) × 4 × 3
7:(3 × 4 - 8) × 6
8:6 ÷ (3 ÷ (8 + 4))