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1000 m + 40 hm + 300 dam = ? km
8 km + 4 dam + 190 m=? dam
6 km + 500 dam + 400 hm=? km
9 dam +4 hm + 129 m=?m


Răspuns :

Răspuns:Vezi explicatia!

Explicație pas cu pas:1)Transformam toate unitatile de masura in km.(1000m=1 km.....40hm=4km.,....300dam=3 km.)1+4+3=8km.      2)Din nou e nevoie sa facem transformari in dam.(8km.=800dam,.....190m=19dam.)...800dam.+4 dam.+19dam.=823dam.      3)6km.+5km.+49km.=60km.(500dam=5km......400hm=40km.)     4)9dam.=90m........4hm.=400m.....deci:90m.+400m.+129m=619m.      O seara excelenta!