Răspunsuri

Cel mai inteligent răspuns!
2014-05-31T18:46:17+03:00
A) 0,5m=50cm
P=AB+AC+BC=30+4+50=84 cm

c)CA=200mm=20cm
P=25+25+20=70cm

c)P=3*1997=5991mm
1 5 1
2014-05-31T18:47:42+03:00
P abc =( 30+4+50) : 3

P abc (25+25+2) :3

P abc (1,997 + 1,997 + 1,997) : 3