mm_maths/math/array/difference/test.js

这是一个可以将数学公式推导变形，并转成js和计算的模块。

const difference = require('./index');
var arr = [15, 35, 68, 66];
var arr_2 = [38, 35, 68];
var arr_3 = [25, 35, 22, 33];

console.log(difference(arr, arr_2));
console.log(difference(arr, arr_3));