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(Restamos las potencias de 10)
⁴√10^15-7 (-6)+(25):15
Reducimos a -6 y a 15
⁴√10^8 (-2)+(25):5
Sacamos al 10 del radical dividiendo su potencia:
Reducimos a 25 y a 5:
10²(-2)(+5)
100-10
=90
R//: 90
Saludos;