Răspuns :
Fie x numarul.
40%din x=628⇒
⇒40supra100*x=628⇒
⇒4supra10*x=628⇒impartim prin 4supra 10⇒
⇒x=1570
Verificare:40%din 1570=628
CORECT
CORONITA???
40%din x=628⇒
⇒40supra100*x=628⇒
⇒4supra10*x=628⇒impartim prin 4supra 10⇒
⇒x=1570
Verificare:40%din 1570=628
CORECT
CORONITA???
Fie x numarul.
40%din x=628⇒
⇒40supra100*x=628⇒
⇒4supra10*x=628⇒impartim prin 4supra 10⇒
⇒x=1570
Verificare:40%din 1570=628
CORECT
CORONITA???
40%din x=628⇒
⇒40supra100*x=628⇒
⇒4supra10*x=628⇒impartim prin 4supra 10⇒
⇒x=1570
Verificare:40%din 1570=628
CORECT
CORONITA???