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1.Care din urmatoarele fractii sunt ireductibile?
33/91,202/360,17/32,12/19,34/51,20/37.
2.Adu la aceelasi numitor fractiile.
a)3/5;9/2;7/4
b)19/3;8/21;5/7
c)75/35;39/91;187/77
d)7/8;9/12;5/48


Dau 54 pct.

Răspuns :

Hatty
1)Fractiile ireductibile:33/91,17/32,12/19,20/37
2)a)3/5=12/20;9/2=90/20;7/4=35/20
b)19/3=133/21;8/21;5/7=15/21
c)Nu stiu sorry :(
d)7/8=42/48;9/12=36/48;5/48

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