Răspunsuri

2014-05-20T18:50:31+03:00
A) P= 4*2+2*2= 12m
b) 34dm= 3,4m
12dm= 1,2m
P= 2*3,4+ 2*1,2=6,8+ 2,4= 9,2
2014-05-20T18:59:20+03:00
P=2 x L +2 x l deci P=2x4 +2x5 =8+10 =18m
34dm=3,4m iar 12dm =1,2m deci P=2x3,4+2x1,2=6,8+2,4=9,2m
2 3 2