tính

\(4\dfrac{1}{5}\times2\dfrac{1}{4}=\)                     \(3\dfrac{3}{5}\times1\dfrac{2}{3}=\)

\(4\dfrac{1}{5}:2\dfrac{1}{4}=\)                      \(3\dfrac{3}{5}:1\dfrac{2}{3}=\)

1.tính

\(3\dfrac{1}{4}-2\dfrac{1}{3}=\)

\(6\dfrac{5}{9}+2\dfrac{5}{6}=\)

\(6\dfrac{5}{9}-2\dfrac{5}{6}=\)

9-Last summer I (visit).......................Ngoc Son Temple in Ha Noi.

10-They(talk)..................about their holiday in Hoi An.

11-When we(arrive)_________at the restaurant,the place(be).........full.

12-I(not go)................to school last Sunday.

13-She(not go).................to school yesterday.

14-He(go)...............to the zoo last Sunday.

15-We(have)................a lot of homework yesterday.