1. How often does she go to school?

2. What do you learn in computer science class?

3. What's her favorite subject?

4. How much is this book? / What's the price of this book?

5. What are they doing in the school yard?

6. How often does he go to the library?

7. Where is your father jogging?

8. When do classes always begin?

9. What does your sister like playing?

10. What are they going to do tonight?

Số lớn nhất có 4 chữ số khác nhau là: 9876

=> Thương của số lớn nhất có 4 chữ số khác nhau và 6 là:

                     9876 : 6 = 1646

góc yOt = góc xOy - góc xOt = 130 độ - 70 độ = 60 độ

Tổng số tuổi của hai bố con là:

         25x2=50(tuổi)

Tuổi của bố hiện nay là:

         (50+28):2=39(tuổi)

Tuổi của con hiện nay là:

         (50-28):2=11(tuổi)

{2³+[1+(3+1)²]}:13

={8+[1+4²]}:13

={8+[1+16]}:13

={8+17}:13

=25:13

=\(\dfrac{25}{13}\)

1, This task is easier than that one

-> That task is more difficult than this one.

2, Hoa sings more beautiful than her sister

-> Hoa's sister sings as not beautiful as her.

3, No one in my group is more intelligent than Minh

-> Minh is the most intelligent person in my group.

4, He drives more carefully than his brother

-> His brother drives more carelessly than him.

Các từ đồng nghĩa với từ:

-đầm ấm: sum vầy, ấm cúng, yên ấm...

-xanh tươi: tươi tốt, xanh tươi, xanh um...

\(\dfrac{4}{3}\):\(\dfrac{7}{8}\)-\(\dfrac{1}{3}\):\(\dfrac{7}{8}\)=\(\dfrac{4}{3}\).\(\dfrac{8}{7}\)-\(\dfrac{1}{3}\).\(\dfrac{8}{7}\)=(\(\dfrac{4}{3}\)-\(\dfrac{1}{3}\)).\(\dfrac{8}{7}\)=1.\(\dfrac{8}{7}\)=\(\dfrac{8}{7}\)

\(\dfrac{6}{11}\):\(\dfrac{4}{3}\)+\(\dfrac{5}{11}\):\(\dfrac{4}{3}\)=\(\dfrac{6}{11}\).\(\dfrac{3}{4}\)+\(\dfrac{5}{11}\).\(\dfrac{3}{4}\)=(\(\dfrac{6}{11}\)+\(\dfrac{5}{11}\)).\(\dfrac{3}{4}\)=1.\(\dfrac{3}{4}\)=\(\dfrac{3}{4}\)