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Cat din 300 de lei reprezinta 45 de lei?
URGEENT>>>CORONITA<<


Răspuns :

300----100%
45-----x
x=45*100/300=15 %
x%din 300=45
x/100*300=45
300x/100=45
3x=45
x=45/3
x=15 %

si dk faci proba :15%din 300=15/100*300=15*300/100=15*3=45