1. <script><br /> varstr = '';<br /> for(j = 1; j <= 9; j++){<br /> for(i = 1; i <= j; i++){<br /> // str = str + i + '×' + j + '=' + i * j;<br /> str += i + '×' + j + '=' + i * j + '\t';<br /> }<br /> str += '\n';<br /> }<br /> console.log(str);<br /> </script>

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