1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | 1 1 1 1 1 1 1 1 1 | function sum(one, two) { return one + two; } function difference(one, two) { return one - two; } function product(one, two) { return one * two; } function quotient(one, two) { return one / two; } module.exports = { sum, difference, product, quotient }; |