Răspuns:
Explicație pas cu pas:
a)
39/54 = 13/18
(13/18)^8 * (27/26)^8 = 13^8*3^24/2^8*3^16*2^8*13^8 = 3^8/2^8*2^8 = 3^8/2^16 = (3/4)^8
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b)
3^12/37^6 * 37^6/3^18 = 3^12/3^18 = 1/3^6