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试试

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Mir_祝

#1 Created at ... [Delete] [Delete and Lock User]

var bmi = weight/Math.pow(height,2); //alert(bmi); if (bmi<18.5) alert('过轻'); else if(bmi<25) alert('正常'); else if(bmi<28) alert('过重'); else if(bmi<32) alert('肥胖'); else alert('严重肥胖');


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