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puteti sami faceti exercitiul a)Amplificati cu 5 fractiile 2/3 ; 1/8 ; 10/9?

Răspuns :

2\3=15\10
1\8=5\40
10\9=50\45
2/3 (5=10/15
1/8 (5=5/40
10/9 (5=50/45