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