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交作业

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Runnnnnnn

#1 Created at ... [Delete] [Delete and Lock User]
'use strict';

var height = parseFloat(prompt('请输入身高(m):'));
var weight = parseFloat(prompt('请输入体重(kg):'));

var bmi = weight/(height*height);
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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