"the first task is the assignment of an address to each datum"
觸屏版| 電腦版
<dd id='y5kkg'><tbody id='y5kkg'><td id='y5kkg'><optgroup id='y5kkg'><strong id='y5kkg'></strong></optgroup><address id='y5kkg'><ul id='y5kkg'></ul></address><big id='y5kkg'></big></td><table id='y5kkg'></table></tbody><pre id='y5kkg'></pre></dd><span id='y5kkg'><b id='y5kkg'></b></span>
<dfn id='y5kkg'><optgroup id='y5kkg'></optgroup></dfn><tfoot id='y5kkg'><bdo id='y5kkg'><div id='y5kkg'></div><i id='y5kkg'><dt id='y5kkg'></dt></i></bdo></tfoot>
<ul id='y5kkg'></ul>
<fieldset id='y5kkg'></fieldset>
美
[?'sa?n??]