Answer :

faizu
5+3+2= 151022
9+2+4= 183652
8+6+3= 482466
5+4+5= 202541
7+2+5= 143547
[multiply 2 and 5 with 7 ..then add them and subtract with 2 (middle number)]
you add 7 times 2 = 14 (1st part of answer)
add 7 times 5= 35 (2nd part of answer)
add 35+ 14= 49
then subtract 49-2 (since it's the middle number) = 47 (3rd part of answer)
7+2+5= 143547

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