2+7=34, 9+8=18, 6+3=78, 5+7=?
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2+7= {2*10} + {2*7} =34
8+9= {9*10} - {8*9} =18
6+3= {6*10} + {6*3} =78
hence
5+7= {7*10} - {7*5} = 35
8+9= {9*10} - {8*9} =18
6+3= {6*10} + {6*3} =78
hence
5+7= {7*10} - {7*5} = 35
reemamanoj:
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Just by a simple logic provided below:
2 + 7 = (2 x 10) + (2 x 7) = 34
8 + 9 = (9 x 10) - (9 x 8) = 18
6 + 3 = (6 x 10) + (6 x 3) = 78
Similarly, 5 +7 = ( 7 x 10) - (7 x 5) = 35.
2 + 7 = (2 x 10) + (2 x 7) = 34
8 + 9 = (9 x 10) - (9 x 8) = 18
6 + 3 = (6 x 10) + (6 x 3) = 78
Similarly, 5 +7 = ( 7 x 10) - (7 x 5) = 35.
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