Răspuns :
a+b+c=462
462-36-64-92=270
nr necunoscut
270:3=90
90+36=126
90+64=154
90+92=182
126+154+182=462
462-36-64-92=270
nr necunoscut
270:3=90
90+36=126
90+64=154
90+92=182
126+154+182=462