Question

Rezolvați exercițiul 1 c , va rog frumos dau coroana!

Answer 1

z............................................................

Answer 2

Răspuns:

25+3•{16+5•[729-6•(x-3•32)]}+2•1=2010. 25+3•{16+5•[729-6•(x-96)]}+2•1=2010. 25+3•[16+5•(729-6x+576)]+2•1=2010. 25+3•(16+3645-30x+2880)+2•1=2010. 25+3•(3661-30x+2880)+2•1=2010. 25+3(781-30x)+2•1=2010. 25+2343-90x+2•1 =2010. 2368-90x+2=2010. 2366-90x=2010. 2366-2010=90x. 356=90x. x=356:90. x=3,80