321:9::512:15::841:40::751:?
Answers
Answered by
12
321 = 3 * (2 + 1 ) = 9
512 = 5 * ( 1 + 2) = 15
841 = 8 * (4+1) = 40
751 = 7 * (5+1) = 42
512 = 5 * ( 1 + 2) = 15
841 = 8 * (4+1) = 40
751 = 7 * (5+1) = 42
Answered by
5
321:9
3x (2+1) = 9
512:15
5x (1+2)= 15
841:40
8x (4+1) = 40
751:
7x (5+1)= 42
3x (2+1) = 9
512:15
5x (1+2)= 15
841:40
8x (4+1) = 40
751:
7x (5+1)= 42
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