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Calculati in:
a)in metri:0,25dam+0,017km+1000cm=

b)in ari:21ha-1500m la 2+752130dm la 2=

c)in litri:45dl+3,5dal-0,35l


Răspuns :

Scara:
km kl
hm hl
dam dal
m l
dm dl
cm cl
mm. ml
0.25 dam=2.5 m
0.017 km=17 m
1000 cm=10 m
2,5+17+10=29,5 m

45 dl=4,5 l
3,5 dal=35 l
4,5+35-0,35=39,15 l

2,5+17+10=29,5 m

2100+15+752.13=2867.13
4,5+35-0,35=39,15 l