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脚本内容。
const arr = [ 1 + 2, 0.1 + 0.2, 7 - 2, 0.7 - 0.2, 3 * 4, 0.3 * 0.4, 8 / 2, 7 / 2 ] for (let i of arr) { console.log(i) }
3 0.30000000000000004 5 0.49999999999999994 12 0.12 4 3.5