m+p = 2463 kg
m+c = 3543 kg
p+c = 3134 kg
adunam cele 3 relatii
2×m + 2×p + 2×c = 2463+3543+3134
2×(m+p+c) = 9140
m+p+c = 9140:2 = 4 570
c+2463=4570
c = 4570-2463
c = 2 107 kg (caise)
p+3543=4570
p = 4570-3543
p = 1 027 kg (pere)
m+3134 = 4570
m= 4570-3134
m= 1436 kg (mere)