编辑代码

const arr1 = [
    { 12: 25618, 13: 82180, 14: 2900, 15: 43138 },
    { 13: 82174, 14: 2906, 15: 43158 }
]
const arr2 = [
    { 12: 22, 13: 60, 14: 2, 15: 38 },
    { 13: 1, 14: 1, 15: 1 }
]

const newArr = arr1.map((item, i) => {
    const objA = item
    const objB = arr2[i]
    return Object.keys(objA).reduce((res, cur) => {
        res[cur] = objA[cur] / objB[cur]
        return res
    }, {})
})
console.log(newArr)