Răspuns:
a)
stofa neagra = 35 m
stofa albastra = 35m+2m
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cati m in total=?
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b)
[------] <= stofa neagra (35m)
[------]--] <= stofa albastra (35+2 m)
[------]------]--] <= stofa in total
c) stofa albastra =35+2 =37
stofa in total =35+37=72 m
la d nu am înțeles ce ai vrut sa spui