1.She is always late

2. He is never there .

3. They often study in labrary

4. He usually stuedies in the evening . 

Anh nhận bú lồn hoàn toàn free nha mấy em, em nào có nhu cần thì liên hệ anh

4 . Nga goes to school on foot .

5 . Hoang is the fastest person/student/pupil in my class .

6 . When does she go to work ?

7 . Her favorite food is noodles / Noodles is her favorite food .

8 . Uwhat do these apples cost ?

9 . It is a blue car .

10 . It isn't never hot in the summer .

1 . Lucy never walks to school .

Sam sometimes walks to school .

2 . Lucy always has lunch in the school canteen .

Sam usually has lunch in the school canteen .

3 . Lucy often goes to an after-school club .

Sam often goes to an after-school club . 

4 . Lucy sometimes helps her friends with their homework .

Sam often helps her friends with their homework .

5 . Lucy always does her homework on the computer .

Sam never does her homework on the computer . 

How often does dad cook ?

How rarely is the cat outside

1 Tính:

1) \(\frac{2}{5}\)\(+\)\(\frac{7}{3}\)

\(=\)\(\frac{6}{15}\)\(+\)\(\frac{35}{15}\)

\(=\)\(\frac{41}{15}\)

2) \(\frac{6}{5}\)\(-\)\(\frac{2}{3}\)

\(=\)\(\frac{18}{15}\)\(-\)\(\frac{10}{15}\)

\(=\)\(\frac{8}{15}\)

c) \(\frac{7}{12}\)\(+\)\(\frac{4}{15}\)

\(=\)\(\frac{35}{60}\)\(+\)\(\frac{16}{60}\)

\(=\)\(\frac{51}{60}\)

\(=\)\(\frac{17}{30}\)

d) \(\frac{3}{8}\)\(+\)\(\frac{1}{12}\)

\(=\)\(\frac{9}{24}\)\(+\)\(\frac{2}{24}\)

\(=\)\(\frac{11}{24}\)

2 Tính

1) \(\frac{2}{5}\)\(-\)\(\frac{1}{10}\)\(+\)\(\frac{1}{2}\)

\(=\)\(\frac{4}{10}\)\(-\)\(\frac{1}{10}\)\(+\)\(\frac{5}{10}\)

\(=\)\(\frac{3}{10}\)\(+\)\(\frac{5}{10}\)

\(=\)\(\frac{8}{10}\)

2) \(3-\frac{1}{4}\)\(+\frac{1}{6}\)

\(=\)\(\frac{36}{12}\)\(-\frac{3}{12}\)\(+\frac{2}{12}\)

\(=\)\(\frac{33}{12}\)\(+\frac{2}{12}\)

\(=\)\(\frac{35}{12}\)

3) \(4\)\(-\)\(\frac{2}{5}\)\(+\)\(\frac{3}{2}\)

\(=\)\(\frac{40}{10}\)\(-\)\(\frac{4}{10}\)\(+\)\(\frac{15}{10}\)

\(=\)\(\frac{36}{10}\)\(+\)\(\frac{15}{10}\)

\(=\)\(\frac{51}{10}\)

4) \(\frac{30}{45}\)\(+\)\(\frac{10}{70}\)\(-\)\(\frac{15}{30}\)

\(=\)\(\frac{2}{3}\)\(+\)\(\frac{1}{7}\)\(-\)\(\frac{1}{2}\)

\(=\)\(\frac{28}{42}\)\(+\)\(\frac{6}{42}\)\(-\)\(\frac{21}{42}\)

\(=\)\(\frac{34}{42}\)\(-\)\(\frac{21}{42}\)

\(=\)\(\frac{13}{42}\)

1.She is always late

2.He is never there

3.They often study in the library

4.He usually studies in the evening

1. She is always late.

2. He is never there.

3. They often study in the library.

4. He usually studies in the evening.

- Hok t -

1.The last time she wrote letters to her pen pal 2 years ago

2.You needn't to bring your umbrella because the weather is fine

ukm chịu

trả lời : là " bóc lột quá mức" 

~ HỌC TỐT~