Răspuns:
Explicație pas cu pas:
(2/7)^2^3 = (2/7)⁸
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= 2 x [ 4/5 + ( 2/7)⁶ x (2/7)⁸ : (2/7)²ˣ⁷ ] x 35 x ( 1/3)² = 14
= 2 x [ 4/5 + ( 2/7)⁽⁶⁺⁸⁻¹⁴⁾ ] x 35 x 1/9 =
= 2 x [ 4/5 + (2/7)⁰ ] x 35/9 =
= 2 x ( 4/5 + 1 ) x 35/9 =
= 2 x ( 4/5 + 5/5 ) x 35/9 =
= 2 x ( 9/5 ) x ( 35/9) =
= 2 x (9/9) x ( 35/5) =
= 2 x 1 x 7 =
= 14