Răspuns:
5p. 7c. 125 lei
10p. 5c. 150 lei /3x
15p. 21c. 375 lei
10p. 5c. 150 lei
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5p. 16c. 225 lei
16-5=11 c
225:11 =. 20:2
un c = 10-5
un c = 5
21x5=105
375-105
270 lei 5 pâini :(
stai
10p. 7c. 150 lei
5p. 5c. 125 lei
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5 p. 2c. 25lei
5p -5p=0
2c = 25lei
25:2 = 12,50lei :)))
asta e :)))))))???