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a fost răspuns

1. Amplificati cu 3 urmatoarele fractii :

1/5 ; 3/4; 7/8; 10/12; 25/31; 114/38 ; 207 /115

2. Amplificati cu 5 urmatoarele fractii

2/4; 7/3; 3/5; 11/4; 21/31; 32/53;37/73; 118/91
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VA ROG, DAU COROANA !!

Răspuns :

1. 3/15 9/12 30/36 75/93 342/114 621/345
2. 10/20 35/25 15/25 55/20 105/155 160/265 185/365 590/455