If '+' represents addition, '-' represents subtraction, '×' represents multiplication, and '÷' represents division, what is the value of 8 ÷ 2 × 4 + 6 - 3?

B. 17

If '>' means addition, '<' means subtraction, '=' means multiplication, and '?' means division, what is the value of 3 > 2 < 1 = 4 ? 2?

A. 12

Using the symbols where '+' is multiplication, '-' is division, '×' is addition, and '÷' is subtraction, what is the value of 6 ÷ 3 + 2 × 4 - 1?

C. 16

If '?' represents addition and '?' represents subtraction, what is the result of 7 ? 3 ? 2?

A. 8

If '?' represents subtraction and '?' represents multiplication, what is the result of 10 ? 4 ? 2?

D. 12