Răspunsuri

2014-11-10T22:24:15+02:00
X-pret initial
x-15%=136
x-15/100=136
100x-15=13600
100x=13600-15
x=(13600-15)/100= 135,85 
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2014-11-10T22:27:48+02:00
15% din x=136 =>15/100 ori x=136 => 136=x:15/100=x ori 100/136

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