12 6 8
4 4 9
51 31 ?
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Step-by-step explanation:
If 5+3=28, 9+1=810, 8+6=214 and 5+4=19 then what is 7+3 =? ... 2 x 3= 6. 3 x 4 = 12. 4 x 5 =20. 5 x 6 =30. 6 x 7 =42. 7 x 8 =56. 8 x 9 = 72. 9 x 10= 90. Answer = 90 .
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