Solución 24 (a x a) + (a + b) + 0 = (9 x 9) + (9 + 1) + 0 = 91 (a x a) + (a + b) + 1 = (8 x 8) + (8 + 2) + 1 = 75 (a x a) + (a + b) + 2 = (7 x 7) + (7 + 3) + 2 = 61 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - (a x a) + (a + b) + 0,1,2,3,… = (3 x 3) + (3 + 7) + 5 = 24
Otro enfoque: (a + 1) x 10 – (a x b) + (b – 1) = (9 + 1) x 10 – (9 x 1) + (1 – 1) = 91 (a + 1) x 10 – (a x b) + (b – 1) = (8 + 1) x 10 – (8 x 2) + (2 – 1) = 75 (a + 1) x 10 – (a x b) + (b – 1) = (7 + 1) x 10 – (7 x 3) + (3 – 1) = 61 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - (a + 1) x 10 – (a x b) + (b – 1) = (3 + 1) x 10 – (3 x 7) + (6 – 1) = 24
2 comentarios:
Si todavía no has dado con la solución, en el siguiente comentario la encontrarás.
Solución 24
(a x a) + (a + b) + 0 = (9 x 9) + (9 + 1) + 0 = 91
(a x a) + (a + b) + 1 = (8 x 8) + (8 + 2) + 1 = 75
(a x a) + (a + b) + 2 = (7 x 7) + (7 + 3) + 2 = 61
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(a x a) + (a + b) + 0,1,2,3,… = (3 x 3) + (3 + 7) + 5 = 24
Otro enfoque:
(a + 1) x 10 – (a x b) + (b – 1) = (9 + 1) x 10 – (9 x 1) + (1 – 1) = 91
(a + 1) x 10 – (a x b) + (b – 1) = (8 + 1) x 10 – (8 x 2) + (2 – 1) = 75
(a + 1) x 10 – (a x b) + (b – 1) = (7 + 1) x 10 – (7 x 3) + (3 – 1) = 61
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(a + 1) x 10 – (a x b) + (b – 1) = (3 + 1) x 10 – (3 x 7) + (6 – 1) = 24
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