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Calculează (2+2/5+3/5)-(9/5+1/5)+24/5=

Răspuns :

(2+2/5+3/5)-(9/5+1/5)+24/5=
(2+5/5)-10/5+24/5=
Aducem fracțiile la același numitor(5)... Deci amplificăm la 2 cu 5
10/5+5/5-10/5+24/5=
(10+5-10+24)/5=
(15-10+24)/5=
(5+24)/5=29/5