` 2/9 xx 29/5 - 4/18 xx 12/10 + 2/9 : 5/22`
` = 2/9 xx 29/5 - 2/9 xx 6/5 + 2/9 xx 22/5`
` = 2/9 xx ( 29/5 - 6/5 + 22/5)`
` = 2/9 xx 45/5`
` = 2/9 xx 9`
` = 18/9`
` = 2`
\(\dfrac{2}{9}\cdot\dfrac{29}{5}-\dfrac{4}{18}\cdot\dfrac{12}{10}+\dfrac{2}{9}:\dfrac{5}{22}\\ =\dfrac{58}{45}-\dfrac{12}{45}+\dfrac{44}{45}\\ =\dfrac{90}{45}\\ =2\)