Если 5ˣ = 1; 5ʸ = 25; 5ᶻ = 125; 5ᵗ = 5, вычислите x+y+z+t.

5ˣ = 1 ⇒ x = 0
5ʸ = 25 ⇒ y = 2
5ᶻ = 125 ⇒ z = 3
5ᵗ = 5 ⇒ t = 1
Сумма: x + y + z + t = 0 + 2 + 3 + 1 = 6.

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