Question 1:
[tex]10\times(14+6)-2\times\frac{1}{2}\times6\times\frac{10}{2}=170[/tex]
Question 2:
[tex]\frac{8+10}{2}\times6+\frac{1}{2}\times10\times4=74[/tex]
Question 3:
[tex]22\times16-4\times16=288[/tex]
