If ‘+’ means ‘÷’ , ‘×’ means ‘+’ , ‘–’ means ‘×’ , and ‘÷’ means ‘–’ , then which of the following equation is correct?
Answer & explanation
Correct answer: option 1
By checking options 1 we get the answer
36 + 6 – 3 × 2 = 20
after interchange the sign :
36 ÷ 6 × 3 + 2 = 20
6 × 3 + 2
20=20