Răspuns :
pinguini
103+187=290
foci
987+801=1788
balenă
355+357=712
in total
290+1788+712=2794
103+187=290
foci
987+801=1788
balenă
355+357=712
in total
290+1788+712=2794
a) pinguini => 102+187=289
b) foci => 987-810=177
c)balene => 355+357=712
p+f+b=S
289+177+712=1178
Suma = 1178 animale studiate de catre cercetator
b) foci => 987-810=177
c)balene => 355+357=712
p+f+b=S
289+177+712=1178
Suma = 1178 animale studiate de catre cercetator