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Calculati:15%din 420
25%320
225%din 120
40%din30
100%125
12,5%din 80

Răspuns :

15/100*420 =15*420/100 =63
25/100*320 =25*320/100 =80
225/100 *120 =225*120/100 =270
40/100*30 =40*30/100 =12
100/100*125 =100*125/100 =125
12.5/100*80 =12.5*80/100 = 10
15/100•420=15•420/100=63
25/100•320=25•320/100=80
225/100•120=225•120/100=225
40/100•30=40•30/100=12
100/100•125=100•125/100=125
12,5/100•80=12,5•80/100=10

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