(8 puncte)
a) 8,9 hm + 100 mm = ………………… b) 400 cm3 + 0,6 l = ……………………
c) 2h 5 min + 10 min 50s = ……………. d) 86,4 km/h = …………………………
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Răspuns:
a) 8,9hm+100mm=890m+0,1m=890,1m
b)400cm³+0,6dm³=400+600cm³
c)2h5min+10min50s=125min+10min50s=135min50s/8150s
d)86,4km/h=24m/s
Explicație:
1l=1dm³
km/h×1000/3600=m/s