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4dm+?dm=1 m
770mm+?mm=1 m
9dm+?cm=1m
80cm+? dm=1m
6m+10cm+300cm=?dm
9dm+10cm+2000mm=?m​

Răspuns :

1) 6 dm
2) 230 mm
3) 10 cm
4) 2 dm
5) 91 dm
6) 3 m

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