Question

If × stands for 'addition', ÷ stands for

31 18 20 - 5 9 31 18 - 20 5 9 31 18 - 4 9 31 18 - 36 13

'subtraction', + stands for 'multiplication' and - stands for 'division', then 31 × 18 ÷ 20 - 5 + 9 = ?

A 13

B 15

C 17

D 19

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