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primul exercitiu tot!!!

Primul Exercitiu Tot class=

Răspuns :

a)17t=17000kg 4q=400kg 17000+400=17400 b)10hl=1000dl 4l=40dl 1000+40=1040dl c)450cm=45dm 100mm=1dm 45+1=46dm d)7ha=7hm^2=700m^2 4ari=4dam^2=40m^2 700+40=740m^2 e)2m=200cm 7dm=70cm 200+70=270cm f)1h=60min=3600s 40min=2400s 3600+2400=6000s E ok?