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repede va roggggggg!!!!!!

Repede Va Roggggggg class=

Răspuns :

In paranteza (1/2 +2/3+ 5/6) se amplifica primele fractii cu 3 si 2:
(3/6+4/6+5/6)=12/6

(12/6:7/12-2/5×5/6)
(12/6 ×12/7-2/5×5/6)
(144/42-10/30)×1/4:(5×25+12 /25 -1×3+1 /3)
(144/42-10/30)×1/4:(125+12 /25 -4/3)
(144/42-10/30)x1/4:(137/25-4/3)

in prima paranteza trebuie sa gasesti un numitor comun, la fel si in a doua