stop x
2:3
2części zlota
3 części srebra
5 części razem
2/5 x ilość zlota w stopie x
stop y
3:7
3 częsci zlota
7 częsci srebra
10 częsci razem
3/10 y ilośc zlota w stopie y
nowy stop
a)
8kg masa stopu
5:11
5 częsci zlota
11 częsci srebra
16 części razem
5/16 *8kg=5*8/16kg=5/2=2,5 kg ilość zlota w nowym stopie
b)
2/5 x+3/10 y =0,4x+0,3y
c)
x+y=8
0,4x+0,3y=2,5
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}
