Doar exercitile 9,10,11
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Răspuns:
9)
Explicație pas cu pas:
9)a)3m=30 dm
b)75 cm>75 mm 75 cm=750 mm
c)400 km=4000hm
d)48hm=48000 dm
e)3×120m>4×97 dm
360=3600 dm
f)12 m+24 cm>10m+28cm
g)69 cm:3<20 cm+33 mm
h)16 dm×4<1280 dm:10
640<128 dm