Răspuns :
45 : 15 = 3
a = 3 x 8 = 24 cm
b = 3 x 15 = 45 cm
c = 3 x 12 = 36 cm
P = 24 + 45 + 36 = 103 cm
a = 3 x 8 = 24 cm
b = 3 x 15 = 45 cm
c = 3 x 12 = 36 cm
P = 24 + 45 + 36 = 103 cm
a=8k P=a+b+c P=24+45+36
b=15k P=105 cm
c=12k
=>b=15k
45=15k
k=45/15
k=3
=>a=8*3
a=24
b=45
c=12*3
c=36
b=15k P=105 cm
c=12k
=>b=15k
45=15k
k=45/15
k=3
=>a=8*3
a=24
b=45
c=12*3
c=36