Răspuns :
numar |________||________|
jumate|________||..............................................155.........................|
triplu |________||________||________||________||________||________|
observam ca sunt parti egale
aflam o parte
155:5=31.
Deci o parte=31
Numarul tau va fi 31+31=62
jumate|________||..............................................155.........................|
triplu |________||________||________||________||________||________|
observam ca sunt parti egale
aflam o parte
155:5=31.
Deci o parte=31
Numarul tau va fi 31+31=62