Question Number 172833 by mathlove last updated on 02/Jul/22
$$\left({a}−{b}\right)\boldsymbol{\div}{b} \\ $$$${R}=\mathrm{0}\:\:\:\:\:\:\:\: \\ $$$$\left(\mathrm{4}{b}−{a}\right)\boldsymbol{\div}{a}\:\:\:\:\:{R}=? \\ $$$${R}={Reminder}\:\:\:\:\:\:\:\:\:\:\:\: \\ $$