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175/54/x*4=39 Va rog ajutati-ma!!!


Răspuns :

175/54/x*4=39
350/27x=39
350=1053
x=350/1053
175/54/x×4=39⇒
175/54×1/x×4=39⇒
700/54x=39⇒54x×39=700⇒2106x=700⇒x=700/2106⇒x=350/1053
sucees