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aflati un numar stiind ca 23% din el reprezinta 92
?


Răspuns :

23/100 x X = 92
X = 92 : 23/100
X = 92 x 100/23
X = 9200/23
X = 400
[tex] \frac{23}{100} x=92[/tex]
[tex]23x=92*100[/tex]
[tex]x=9200:23[/tex]
[tex]x=400[/tex]