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Calculati:10,(1)+1,(01)+1,1(69)

Răspuns :

(101-10)/9 +(101-1)/99 +(1169-11)/990=
91/9 + 100/99 + 1158/990=
(10010 + 1000 +1158)/990=
12168/990=
1352/110=
676/55