If '+' denotes 'multiplication', '-', denotes 'addition', '×', denotes 'division' and '÷' denotes 'subtraction', then which of the following equation is true?
1
9 + 5 - 16 × 4 ÷ 2 = 41
2
15 + 15 × 3 - 4 ÷ 5 = 26
3
10 - 12 ÷ 18 × 6 + 2 = 16
4
11 ÷ 8 × 2 - 4 + 1 = 41