($\frac{-9}{25}$ ). 17$\frac{2}{3}$ - ($\frac{-3}{5}$ )$^{2}$ . $\frac{22}{3}$ 

($\frac{67}{111}$ + $\frac{2}{33}$ - $\frac{15}{117}$ )($\frac{1}{3}$ - 25% -$\frac{1}{12}$ )

($\frac{67}{111}$ + $\frac{2}{33}$ - $\frac{15}{117}$ )($\frac{1}{3}$ - 25% -$\frac{1}{12}$ )

( $\frac{-9}{25}$ ) . 17$\frac{2}{3}$ - ( $\frac{-3}{5}$ )$^{2}$  . $\frac{22}{3}$ 

Tet holiday is (1)____ important occasion in Viet Nam . It is the time for family gathering and reunion . People often prepare for Tet even some weeks (2)______ the holiday itself . They (3)_____ the houses and paint the walls . They all want their home to look nice for tet . 

On the New Year's Eve , the whole family gather and (4)____ dinner to gether . They talk about things that happen during the previous year , and all (5)___ for good luck in the new year . When midnight strikes , they go to enjoy the fireworks . Some go to pagodas . Children get lucky money or presents during Tet holiday 

  $\frac{-1}{2}$ +$\frac{3}{7}$ - $\frac{1}{9}$ + $\frac{-7}{18}$ +$\frac{4}{7}$ 

 $\frac{-1}{2}$ +$\frac{3}{7}$ - $\frac{1}{9}$ + $\frac{-7}{18}$ +$\frac{4}{7}$