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aflati pe x din: (650-x)×65=4225

Răspuns :

(650-x)X65=4225
650-x=4225:65
650-x=65
x=650-65
x=585
(650-x)•65=4225

(650-x)=4225:65=65

650-x=65

x=650-65

x=585