Matematică
maria9656
2015-11-07 00:31:09
Va rog mult pls dau coroana pls
Răspunsuri la întrebare
elynor
2015-11-07 04:58:50

g) [latex] frac{x+1+3x+1}{2x+1} [/latex]= [latex]frac{4x+2}{2x+1}[/latex]= simplificam prin 2x+1 =2 h)[latex] frac{3a+2b+2a+3b}{a+b} [/latex]= [latex] frac{5a+5b}{a+b} [/latex]= simplificam prin a+b =5 i)abc=100a+10b+c cab=100c+10a+b bca=100b+10c+a [latex] frac{111(a+b+c)}{999} [/latex]= se simplifica prin 111 =[latex] frac{a+b+c}{9} [/latex] j)[latex] frac{5a+3+3a+1}{3a+6} [/latex]= [latex] frac{4(2a+1)}{3(a+2)} [/latex] k)[latex] frac{2014-2013+2012-2011+...+2-1}{2014} [/latex]= [latex] frac{1+1+1+....+1+1}{2014} [/latex]= [latex] frac{2014:2}{2014} [/latex]= =[latex] frac{1007}{2014} [/latex]

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