Răspuns :

Nicuandreisorinid

Explicație:

1)420dam=4200m

18000dm=1800m

4200m+1800m=6000m

2)480mm=0,48m

20cm=0,2m

0,48m-0,2m=0,28m

3)0,05mm=0,00005m

100hm=10000m

0,00005m+10000m=10000,00005m

Eneacsu123id

Răspuns:

420 dam=4200m

18000dm=1800m

420dam+18000dm=4200m+1800m=6000m

480mm=0,48m

20cm=0,2m

4800mm-20cm=0,48m-0,2m=0,28m

0,05mm=0,00005m

100hm=10000

0,05mm+100hm=0,00005m+10000m=10000,00005m

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