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1 :)

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1

again think about it

If your answer is 19, you're not using MDAS or DMSA.
M/D or D/M- multiplication/division or division/multiplication preceding from left to right.
A/S or S/A - addition/subtraction or subtraction/addition preceding from left to right.

9-3÷(1/3)+1= ?
The equation contains division operation.
9-{3÷(1/3)}+1=? ; 3÷(1/3)= 9
thus,
9-{9}+1=? ; 9-9=0
0+1=?
Therefore, 1 is the answer.

Think about it again sir.
Peace out. Thanks.