Pls ex7 urgeeent dau 50 puncte

Pls Ex7 Urgeeent Dau 50 Puncte class=

Răspuns :

prima zi=19
a doua zi=76(19x4)
19+76=95
a treia zi=-11
95-11=84
a patra zi=5x11=55
84+55=139(lungime traseu)