Va rog mult, ce se poate din fisa, plsss va rog am pt maine
Răspunsuri la întrebare
Raspunde
4) 24 km =24000m
3200 mm=320 cm
140 m=1400 dm
2540 dm=25400 cm
17 hm =17000 dm
50000 mm=5 dam
500 m =50000 cm= 5 hm
7 km=70 dam=7 hm
6320hm=632 dam=6320m
95000cm=950m=950000mm
6)542km+214hm=54,2+214=268,2 hm
25300mm-12 m =253-120 =133 dm
6200 m÷2=62÷2=31 hm
65230 mm-1250 cm =6523-1250=5273
5000dam ×2=50×2=100 km
8000 cm +600 dm =80+60=140 m
7) Perimetru =5×2+2×2=10+4=14
Aria =5×5+2×2=25+4=29
Coroana plizz
Răspuns:
ex 4
24 km=24000m
3200mm=32dm
14m=140dm
2540dm=25400cm
17hm=170000cm
50000mm=5dam
500m=50000=0.05hm
7km=700dam=70hm
6320hm=63200dm=632000m
95000cm=950m=950000mm
ex5
7km=7000m
7000+555=7555m
81hm=8100m
8100+223=8323m
45km=45000m
141dam=1410m
45000+1410= 46410m
160cm=16dm
12m=120dm
16+120=130dm
ex 6
542km=5420hm
5420+214=5634hm
25300mm=253dm
12m=120dm
253-120=133dm
6200m=62hm
62÷2=31hm
65230mm=6523cm
6523-1250=5273cm
5000dam=50km
50×2=100km
8000cm=80m
600dm=6000m
80+6000=6080m
ex7
L=500cm=5m
l=2000mm=2m
P(perimetrul)
A (aria )
P=2×(L+l)=2×(5+2)=2×7=14cm
A=L×l=5×2=10cm^2 (10cm la puterea a doua)