Question Number 38741 by jasno91 last updated on 29/Jun/18
$$\mathrm{7}.\mathrm{2}+\left[\mathrm{0}.\mathrm{2}\:{of}\:\mathrm{10}−\left\{\mathrm{0}.\mathrm{6}+\mathrm{0}.\mathrm{3}−\mathrm{0}.\mathrm{8}−\mathrm{0}.\mathrm{6}\right\}\right] \\ $$
Commented by MrW3 last updated on 29/Jun/18
$$=\mathrm{7}.\mathrm{2}+\left[\mathrm{2}−\left\{\mathrm{0}.\mathrm{3}−\mathrm{0}.\mathrm{8}\right\}\right] \\ $$$$=\mathrm{7}.\mathrm{2}+\left[\mathrm{2}+\mathrm{0}.\mathrm{5}\right] \\ $$$$=\mathrm{7}.\mathrm{2}+\mathrm{2}.\mathrm{5} \\ $$$$=\mathrm{9}.\mathrm{7} \\ $$