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Ciresionel
a fost răspuns

{[(6-x).2-7].9-5}:2 =2

Răspuns :

{[(6-x)*2-7]*9-5}=2-2
[(6-x)*2-7]*9=4+5
[(6-x)*2-7]=9/9
(6-x)*2=1+7
6-x=8/2
x=4+6
x=10

coronita?:d