Alex20202008ask
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Calculează: a) 1/3+1/7; b)2/3+3/7+4/21;c)4/5+1+2/4

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Răspuns :

Dudescustefania36ask

Răspuns:

a) 1/3+1/7

2/7

b)2/3+3/7+4/21

5/10+4/21

9/31

c) 4/5+1+2/4

5/5+2/4

7/9

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