题解 | #四则运算#
四则运算
https://www.nowcoder.com/practice/9999764a61484d819056f807d2a91f1e
const readline = require('readline');
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout
});
rl.on('line', function (line) {
const compute = line.replace('{','(').replace('}',')')
console.log(eval(compute))
});
eval是个好东西
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