Question Number 75921 by Master last updated on 21/Dec/19
Commented by Master last updated on 21/Dec/19
$$\overset{−} {\mathrm{8}}\overset{−} {\mathrm{A}}\overset{−} {\mathrm{B}}=\mathrm{8}×\mathrm{10}^{\mathrm{2}} +\mathrm{A}×\mathrm{10}+\mathrm{B}×\mathrm{10}^{\mathrm{0}} \\ $$$$\overset{−} {\mathrm{8}}\overset{−} {\mathrm{A}}\overset{−} {\mathrm{B}}=\mathrm{800}+\mathrm{10A}+\mathrm{B}\:\:\: \\ $$$$\mathrm{A}=\mathrm{0}\:\:\:\mathrm{B}=\mathrm{3}\:\:\:\:\:\:\mathrm{prove}\:\:\mathrm{that} \\ $$