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Aduceți la firma cea mai simpla
2/5 • 0,25+78:4-8√5:√5-3•7√2
Vă rog mult dau coroană​


Răspuns :

[tex]\it \dfrac{2}{5}\cdot0,25+78:4-8\sqrt5:\sqrt5-3\cdot7\sqrt2=0,4\cdot0,25+19,5-8-21\sqrt2=\\ \\ =0,1+11,5-21\sqrt2=11,6-21\sqrt2[/tex]