Question Number 38741 by jasno91 last updated on 29/Jun/18
![7.2+[0.2 of 10−{0.6+0.3−0.8−0.6}]](https://www.tinkutara.com/question/Q38741.png)
$$\mathrm{7}.\mathrm{2}+\left[\mathrm{0}.\mathrm{2}\:{of}\:\mathrm{10}−\left\{\mathrm{0}.\mathrm{6}+\mathrm{0}.\mathrm{3}−\mathrm{0}.\mathrm{8}−\mathrm{0}.\mathrm{6}\right\}\right] \\ $$
Commented by MrW3 last updated on 29/Jun/18
![=7.2+[2−{0.3−0.8}] =7.2+[2+0.5] =7.2+2.5 =9.7](https://www.tinkutara.com/question/Q38754.png)
$$=\mathrm{7}.\mathrm{2}+\left[\mathrm{2}−\left\{\mathrm{0}.\mathrm{3}−\mathrm{0}.\mathrm{8}\right\}\right] \\ $$$$=\mathrm{7}.\mathrm{2}+\left[\mathrm{2}+\mathrm{0}.\mathrm{5}\right] \\ $$$$=\mathrm{7}.\mathrm{2}+\mathrm{2}.\mathrm{5} \\ $$$$=\mathrm{9}.\mathrm{7} \\ $$