Răspuns :
3. a) 2/5 = 4/10 Adevărat
4/10 simplicat cu 2 = 2/5
b) 3/7 = 9/21 Adevărat
9/21 simplificat cu 3 = 3/7
c) 1/2 = 2/4 Adevărat
2/4 simplificat cu 2 = 1/2
3. a) 2/5 = 4/10 Adevărat
4/10 simplicat cu 2 = 2/5
b) 3/7 = 9/21 Adevărat
9/21 simplificat cu 3 = 3/7
c) 1/2 = 2/4 Adevărat
2/4 simplificat cu 2 = 1/2