**Question 1**:

62.4 – 36.02 + 12.6 =

**Solution**:**Question 2**:

4.76 × 7.2 ÷ 0.3 =

**Solution**:$\begin{array}{l}4.76\times 7.2\xf70.3\\ =34.272\xf70.3\\ =\frac{34.272}{0.3}\\ =\frac{34.272\times 10}{0.3\times 10}\\ =\frac{342.72}{3}\\ =114.24\end{array}$

**Question 3**:

0.12 × (5.9 – 1.33) ÷ 0.8 =

**Solution**:$\begin{array}{l}0.12\times \left(5.9-1.33\right)\xf70.8\\ =0.12\times 4.57\xf70.8\\ =0.5484\xf70.8\\ =\frac{0.5484}{0.8}\\ =\frac{0.5484\times 10}{0.8\times 10}\\ =\frac{5.484}{8}\\ =0.6855\end{array}$

**Question 4**:

14.83 + (20.04 – 10.68) ÷ 1.8 =

**Solution**:$\begin{array}{l}14.83+\left(20.04-10.68\right)\xf71.8\\ =14.83+9.36\xf71.8\\ =14.83+\frac{9.36\times 10}{1.8\times 10}\\ =14.83+\frac{93.6}{18}\\ =14.83+5.2\\ =20.03\end{array}$