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(1 / 4)² =(4 / 9 + 1 / 3)4 / 5 =?

(1 / 4)² = (4 / 9 + 1 / 3)4 / 5 =.

En resumen

(1 / 4)² = 1² / 4² = 1 / 16 (4 / 9 + 1 / 3)4 / 5 = (4 / 9 + (3×1 / 3×3))4 / 5 = (4 / 9 + 3 / 9)4 / 5 = (7 / 9)4 / 5 = 7×4 / 9×5 = 28 / 45.

Mejor respuesta

Nakayima5717
8

(1 / 4)² = 1² / 4² = 1 / 16

(4 / 9 + 1 / 3)4 / 5 = (4 / 9 + (3×1 / 3×3))4 / 5 = (4 / 9 + 3 / 9)4 / 5 = (7 / 9)4 / 5 = 7×4 / 9×5 = 28 / 45.