1:10 + (10 - 3) × 22:10 + ((10 - 3) × 2)3:10 + (2 × (10 - 3))4:10 + 2 ×(10 - 3)5:10 - (2 × (3 - 10))6:10 - 2 ×(3 - 10)7:10 - (3 - 10) × 28:10 - ((3 - 10) × 2)9:(10 - 3) × 2 + 1010:((10 - 3) ...