((25*2-1)^½) + ((10*9-9)^¼)

Mapel : Matematika
Kelas : IX SMP
Bab : Barisam dan deret

Pembahasan :
(25 * 2 - 1)^1/2 + (10*9 - 9)^1/4
= (50 - 1)^1/2 + (90 - 9)^1/4
= 49^(1/2) + 81^(1/4)
= (7²)^1/2 + (3^4)^1/4
= 7 + 3
= 10