九九乘法表

</table>
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 //九九乘法表
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         for(i=1;i<=9;i++){
             document.write("<tr>")
             for(j=1;j<=i;j++){
                //  document.write('td>'+i+'*'+j+'='+(i*j)+'</td>');
                document.write("<td>" + i + "*" + j + "=" + i * j + "</td>")
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