Răspuns:
1. C) 23/17+1/17=24/17
D) 16/93+51/93=67/93
G) 15/43+13/43=28/43
H) 23/19+17/19=40/19
2. C) 16/93+15/93=31/93
D) 11/14+23/14=34/14 amplificat cu 2=17/7
G) 1 intreg 3/10+3 intregi 1/10=1×10+3/10+3×10+1=13/10+31/10=44/10 amplificat cu 2=22/5
H) 2 intregi 3/5+3 intregi 2/5=2×5+3+3×5+2=13/5+17/5=30/5 amplificat cu 5=6/1=6
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