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       var data1 = 55;
       var data2 = 100;
       var data3 = 38;
       var data4 = 40;
       var data5 = 83;
 
       document.write('<p>各点数: ' + data1 + '点</p>');
       document.write('<p>各点数: ' + data2 + '点</p>');
       document.write('<p>各点数: ' + data3 + '点</p>');
       document.write('<p>各点数: ' + data4 + '点</p>');
       document.write('<p>各点数: ' + data5 + '点</p>');
 
       var ave = (data1 + data2 + data3 + data4 + data5) / 5;
       document.write('<p>平均点' + ave + '点</p>');