Question

va rog mult de tot faceti exercitile astea

Answer 1

3)406>225
406-225=181 km
Răspuns :distanta cea mai mare e de la Bucuresti la Iasi cu 181 km


4)p=?
P=2x(L+l)
l=84 dam
L=96+l=>L=96+84
L=180 dam

P=2x(180+84)
P=2x264
P=528 dam

528 dam x4=2112 dam
Răspuns :alearga 2112 dam


5)melc=300 mm/ min
Buburuza =3 x melc=3x300=900 mm/min
Melc:
In 4 min
300+300+300+300=300x4=1200 mm
In 5 min
300x5=1500 mm

Buburuza
In 4 min
900x4=3600 mm
In 7 min
900x7=6300 mm

Answer 2

300×3=900(mm 1 minut buburuza)
60×4=240 (de sec in 4 min)
60×5 =300(de sec in5 min)