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作业

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敗镓ing

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

function get_primes(arr) {
    return arr.filter(
        x=>
        x%2!==0&&
        x%3!==0&&
        x%5!==0&&
        x%7!==0&&
        x!==1||
        x==2||
        x==3||
        x==5||
        x==7);
}

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