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2014-09-30T17:44:56+03:00
Aflam lungimea BC
BC=A/AB, BC=60/5=12cm
aflam lungimea diagonalei
AC=[************
         AB*+BC*

AC=[************
         5*+12*=169=13 cm

[********** ------inseamna radical

*------- inseamna puterea 2

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