1: (5 × 13 + 7) ÷ 32: ((5 × 13) + 7) ÷ 33: (7 + 5 × 13) ÷ 34: (7 + (5 × 13)) ÷ 35: (7 + 13 × 5) ÷ 36: (7 + (13 × 5)) ÷ 37: (13 × 5 + 7) ÷ 38: ((13 × 5) + 7) ÷ 3