không/nhà

1.looked

2.wanted

3.helped

4.washed

5.studied 

6.invited

7.tried

8.solved 

9.asked

10.liked

5/9x[5/2-3/2]=5/9x1=5/9

có 5 ngày

ngày 2,9,16,23,30

Bài 1: a, \(\dfrac{25}{50}+\dfrac{5}{15}=\dfrac{1}{2}+\dfrac{1}{3}=\dfrac{5}{6}\)

          b, \(\dfrac{72}{90}+\dfrac{7}{28}=\dfrac{4}{5}+\dfrac{1}{4}=\dfrac{21}{20}\)

          c,\(\dfrac{32}{96}+\dfrac{8}{28}=\dfrac{1}{3}+\dfrac{2}{7}=\dfrac{13}{21}\)

Bài 2: \(\dfrac{5}{7}< \dfrac{3}{4}\)                                      \(\dfrac{8}{9}>\dfrac{5}{6}\)