(1)2 9 8 121:12 × (2 × (9 - 8))2:12 × 2 ×(9 - 8)3:(12 × 2) × (9 - 8)4:12 × (2 ÷ (9 - 8))5:12 × 2 ÷(9 - 8)6:(12 × 2) ÷ (9 - 8)7:(12 × (9 - 8)) × 28:12 × (9 - 8) × 29:1...