Răspuns :
1.200km-925km=275km (au parcurs in prima zi) 1.200km-743km=457km (au parcurs a doua zi) 1.200km-(275km+457km)=1.200km-732km=468km (au parcurs a treia zi) SPER CA TE-AM AJUTAT!
a+b+c=1200[km]
a+b=925[km]
b+c=743[km]
⇒a=[a+b+c]-[b+c]
⇒a=1200km-743km
⇒a=457km[prima zi]
⇒b=[a+b]-a
⇒b=925km-457km
⇒b=468km[a doua zi]
⇒c=[b+c]-b
⇒c=743km-468km
⇒c=275km[a treia zi];
a+b=925[km]
b+c=743[km]
⇒a=[a+b+c]-[b+c]
⇒a=1200km-743km
⇒a=457km[prima zi]
⇒b=[a+b]-a
⇒b=925km-457km
⇒b=468km[a doua zi]
⇒c=[b+c]-b
⇒c=743km-468km
⇒c=275km[a treia zi];