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a fost răspuns

Adunarea fractiilor 3/5+3/4+2/5+1/4;4/9+7/10+3/9+3/10; 2/7+3/8+2/7+5/8+3/7; 1/2+1/6+1/2+3/6+2/6;

Răspuns :

 3/5+3/4+2/5+1/4=5/5+4/4=1+1=2
4/9+7/10+3/9+3/10=7/10+10/10=7/10+1
2/7+3/8+2/7+5/8+3/7=7/7+8/8=1+1=2
1/2+1/6+1/2+3/6+2/6=2/2+6/6=1+1=2

Alte intrebari