Question

Vă rog! Dau coroana!

5m+ 3 dm= ...?dm
6cm+2mm=...?mm
7 dam + 8hm=....?m
80cm+2m=...?dam
700cm+20dm=.....?dam
500m+6km=...?hm
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Answer 1

Răspuns:

Explicație pas cu pas:

5 m + 3 dm = 50 dm + 3 dm = 53 dm

6 cm + 2 mm = 60 mm + 2 mm = 62 mm

7 dam + 8 hm = 70 m + 800 m = 870 m

80 cm + 2 m = 0,8 m + 2 m = 2,8 m = 0,28 dam

500 m + 6 km = 500 m + 6000 m = 6500 m = 650 dam = 65 hm