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27. Efectuati:
a) 2:(2/3)^2+11/5:11/10​


Răspuns :

Răspuns:

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Vezi imaginea Ap796744

Răspuns:

a) 2:(2/3)^2+11/5:11/10​=

2:4/9+11/5:11/10=

2·9/4+11/5·10/11=

9/2+²⁾2/1=9/2+4/2=13/2