2 + 1 = 6
3 + 5 = 24
4 + 7 = 44
6 + 2 = 48
5 + 9 = ?
(2+1)x2=6
(3+5)x3=24
(4+7)x4=44
(5+9)x5=70
(6+2)x6=48
!
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