Question Number 50442 by Gulay last updated on 16/Dec/18
Commented by Gulay last updated on 16/Dec/18
$$\mathrm{a}=\mathrm{105},\mathrm{4}\:\:\:\mathrm{b}=−\mathrm{42},\mathrm{37} \\ $$$$ \\ $$
Commented by Gulay last updated on 16/Dec/18
$$\mathrm{sir}\:\mathrm{help}\:\mathrm{me}\:\mathrm{plz} \\ $$
Answered by tanmay.chaudhury50@gmail.com last updated on 16/Dec/18
$$\mathrm{10}{b}+\mathrm{3}{a}−\mathrm{9}{b}−\mathrm{2}{a} \\ $$$${b}+{a} \\ $$$$\mathrm{105}.\mathrm{4}−\mathrm{42}.\mathrm{37} \\ $$$$=\mathrm{63}.\mathrm{03} \\ $$