Răspuns:
3/4
Explicație pas cu pas:
3/4^7^5×3/4^6:3/4^38 = 3/4^7*5x3/4^6:3/4^38 =3/4^35 x3/4^6:3/4^38=3/4^35+6 :3/4^38=3/4^39:3/4^38=3/4^39-38=3/4^1=3/4