Hãy quy đồng các phân số sau:$\frac{1}{8}$;$\frac{3}{6}$ và $\frac{89}{24}$

Chứng tỏ rằng: $\frac{1}{5}$ + $\frac{1}{6}$ +$\frac{1}{7}$...$\frac{1}{17}$ + $\frac{1}{18}$+ $\frac{1}{19}$ < 2

 Điền dấu (>;<;=)

9/8 .. 8/9

16/23 .... 16/25

8/11 ..... 8/10

10/13 .... 19/26

13/15 ...... 11/10

11/9 ... 44/36

Quy đồng mẫu số các phân số

a) $\frac{1}{2}$; $\frac{2}{3}$ và $\frac{4}{5}$

b) $\frac{2}{3}$ ; $\frac{3}{4}$và $\frac{5}{12}$

Câu tục ngữ "Bán anh em xa mua láng giềng gần" có cách hiểu nghĩa (ẩn dụ hay trực tiếp) và nghệ thuật là gì?

Trả lời tui vote 5* =_))

1.Now Sam (lie) ……. ….. to his mother about his bad marks.

2.David (travel) ………………………… around the world this summer, and probably won’t be back for a couple of months.

3.It’s 6 p.m o’clock, and my parents (cook) … … dinner in the kitchen.

4.Young people (take) ………………………… up traditional style hobbies such as knitting and walking in the countryside as of lately.

5.Quan (not/study) ………………………… very hard at the moment. I (not/think) ………………………… he’ll pass his tests.

6.My brother always ................................ Saturday dinner. (make)

1.Young people (take) ………………………… up traditional style hobbies such as knitting and walking in the countryside as of lately.

2.David (travel) ………………………… around the world this summer, and probably won’t be back for a couple of months.

3.Quan (not/study) ………………………… very hard at the moment. I (not/think) ………………………… he’ll pass his tests.

4. My brother always ................................ Saturday dinner. (make)