Răspuns :
Cati m a cumparat Simona? 50 cm= 0, 5 m 3m+ 0, 5=3, 5m Cati m a cumparat Daniela? 2000 mm=2 m 3, 5- 2=1, 5m Cati m de panglica au cumparat in total ? 3m+3, 5m+1, 5m=8m
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simona=50cm=0,5m panglica
daniele=2000-0,5=1999,5pa\m panglica
impreuna=3+0,5+1999,5=2003m panglica
daniele=2000-0,5=1999,5pa\m panglica
impreuna=3+0,5+1999,5=2003m panglica