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<p>#1 —==无聊，随便出一道题==—<br /><small>　<br />
　<br />
[size=3][color=Green]【已知】<br />
A+B=C-D-E-F-G-H-I-J-K<br />
A+B+C=D-E-F-G-H-I-J-K<br />
A+B-C=E+F-D-G-H-I-J-K<br />
A+B+C-D=E+F+G-2H-I-J-K<br />
A+B+2C=7D+H-14G-I-J-K<br />
A+B=E+F-2H-J-K<br />
A+B-C+D+K=12(G-H)+17I-2J<br />
A+B+C=D-2H-J<br />
A+C-2D-E=F-6G-10I[/color][/size]<br />
<br />
[color=Blue][size=3]【Q】<br />
請用含有B、C、D、E、F、G、H、I、J、K中的兩個字母的代數式表示A.[/size][/color]<br />
<br />
[size=3][color=Red]【提示】本题很简单，只是看似复杂……[/color][/size]<br />
<br />
[color=Silver][[i]  ..</small><br />
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<p>#1 <a href="index.php?action=thread&amp;tid=236808&amp;start=0&amp;offset=497&amp;sid=ryL762">&gt;&gt;下页</a><br />
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