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care dintre urmatoarele fractii subt ireductibile 3/4;8/7;33/6;35/42;82/41;13/14;63/56;81/39;55/20;68/51;26/39;22/55;1001/77;1001/91;ab5/20?

Răspuns :

Fracții ireductibile = care nu se pot simplifica.

Fracții ireductibile:
3/4
8/7
82/41
13/14
68/51
22/55
1001/70
1001/91