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3/5+6/5-(1/5+2/5)=; (9/2+5/2-1)-(1/4+3/4+5)=;​

Răspuns :

Răspuns:

Explicație pas cu pas:

3/5+6/5-(1/5+2/5)=9/5-3/5=6/5

(9/2+5/2-2/2)-(1/4+3/4+20/4)=12/2-24/4=6-6=0