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(3<52-3<51-3<50)<2:(9<50*25)=
<inseamna ridicat la puterea
Stie cineva cum se face?







Răspuns :

[3<50(3²-3-1)]²:(3²)<10·5²=
(3<50·5)²:(3²)<10·5²=
3<100·5²:3<20·5²=3<80