Răspuns :
x⇒prima lungime
x+1=y⇒ a doua lungime
x+2=z⇒ a treia lungime
x+3=w⇒ a patra lungime
x+x+1+x+2+x+3=378
4x+6=378⇔4x=378-6⇔4x=372⇒x=93
y=x+1⇔y=94
z=95;w=96
x+1=y⇒ a doua lungime
x+2=z⇒ a treia lungime
x+3=w⇒ a patra lungime
x+x+1+x+2+x+3=378
4x+6=378⇔4x=378-6⇔4x=372⇒x=93
y=x+1⇔y=94
z=95;w=96