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Bancilageorgiana
a fost răspuns

[(30+226:2+a:4):29+20x100]:5-11x6-5x67=0

Răspuns :

Renatemambouko
[(30+113+a/4)/29+2000]/5-66-335=0
(143/29+a/4*29+2000)/5-401=0
(143/29+a/116+2000)/5-401=0
143/29*5+a/116*5+400-401=0
143/145+a/580-1=0
143*4+a-580=0
a=580-572=8

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