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Rezolcarea operatiei:(a÷5-4)÷3-260÷2=1

Răspuns :

(a÷5-4)÷3-260÷2=1 |×2
(a÷5-4)÷3-260=2 |+260
(a÷5-4)÷3=262 |×3
a÷5-4=786 |+4
a÷5=790 |÷5
a=158