Question

in trei cosuri sun 82 de gutui .in primul si al doileacos sunt la un loc 63 de gutuo, iar in al doilea si al treilea sunt, in total 64 gutui.

Answer 1

a+b+c=82
a+b=63
b+c=64

63+c=82
c=82-63
c=19

a+64=82
a=82-64
a=18

18+b+19=82
b=82-18-19
b=45

a+b+c=18+45+19=82

Answer 2

a+b+c=82
a+b=63
b+c=64

63+c=82
c=82-63
c=19

a+64=82
a=82-64
a=18