Răspunsuri

2014-01-13T14:58:43+02:00
M+p=53.

m=p+13
p+13+p=53

2p=53-13
2p=40, p=20 (s-au plantat 20 de peri)

m+20=53,
m=53-20
m=33 (s-au plantat 33 de meri)
2014-01-13T15:03:49+02:00
M+p=53
m=p+13
p+p+13=53
2p=53-13
2p=40
p=40/2
p=20
53-20=33m
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