1:(5 × 13 + 7) ÷ 3
2:((5 × 13) + 7) ÷ 3
3:(13 × 5 + 7) ÷ 3
4:((13 × 5) + 7) ÷ 3
5:(7 + 5 × 13) ÷ 3
6:(7 + (5 × 13)) ÷ 3
7:(7 + 13 × 5) ÷ 3
8:(7 + (13 × 5)) ÷ 3
OK?
1:(5 × 13 + 7) ÷ 3
2:((5 × 13) + 7) ÷ 3
3:(13 × 5 + 7) ÷ 3
4:((13 × 5) + 7) ÷ 3
5:(7 + 5 × 13) ÷ 3
6:(7 + (5 × 13)) ÷ 3
7:(7 + 13 × 5) ÷ 3
8:(7 + (13 × 5)) ÷ 3
OK?