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Efectuează,
1 hm
m +
utilizând calcule intermediare:
+ 1 dam
= 110m
m =
3 km - 3 hm =
7
hm
hm
3 hm =
1100 hm
m
2 m
+ 2 cm
mm +
mm
8 dam - 3 m =
II
m
-3 m = 77 m
m-3m=
m
mm
mm