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对吗？？

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Alex__XD

#1 Created at ... [Delete] [Delete and Lock User] 
var bmi = weight/(height*height);
if (bmi < 18.5){
alert('过轻');
}else if(bmi >= 18.5 && bmi <=25){
alert('正常');
}else if(bmi > 25 && bmi <=28){
alert('过重');
}else if(bmi > 28 && bmi <=32){
alert('肥胖');
}else if(bmi > 32){
alert('严重肥胖');
}else {
alert('未知');
}

周翔lw

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