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Ex 1...Am nevoie Urgent !!!!!

Ex 1Am Nevoie Urgent class=

Răspuns :

3/7 : 5/4=3/7 × 4/5=12/35

10/9 : 15/21= 10/9 × 21/15= 210/135 = 70/27

5/3 : 1intreg si2/3 = 5/3 : (1×3+2)/3 =5/3: 5/3 =1

0:8/3 = 0

4/7 : 12/14 : 2/3= 4/7 × 12/14 × 2/3 = 48/98 ×2/3= 16/49