Răspuns :
a=2k 2k+3k+4k=9k
b=3k 72:9 =8
c=4k
a=2xK=2x8=16
b=3xK=3x8=24
c=4xK=4x8=32
Verificare:16+24+32=72
CU PLACERE
a=2k 2k+3k+4k=9k
b=3k 72:9 =8
c=4k
a=2xK=2x8=16
b=3xK=3x8=24
c=4xK=4x8=32
Verificare:16+24+32=72
CU PLACERE
a=2k 2k+3k+4k=9k
b=3k 72:9 =8
c=4k
a=2xK=2x8=16
b=3xK=3x8=24
c=4xK=4x8=32
Verificare:16+24+32=72
CU PLACERE
a=2k 2k+3k+4k=9k
b=3k 72:9 =8
c=4k
a=2xK=2x8=16
b=3xK=3x8=24
c=4xK=4x8=32
Verificare:16+24+32=72
CU PLACERE