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Aflati numerele a,b,c stiind ca a plus b egal c , a minus b egal b si b plus c egal 32
dau coroana


Răspuns :

a=2b
3b=c
b+c=32
4b=32
b=8
a=16
c=24
Coroana te rog
a+b=c
a-b=b=> a=bx2
b+c=32
=> bx3=c
=> b+3xb=32
=> b=32:4
=> b=8
=> a=8+8=16
=> c=24