B1: Tính giá trị các biểu thức sau

a) A = (\(-x^3\)\(y^3\))\(^4\) : (\(-x^{12}\)\(y^{11}\)) tại x= \(\dfrac{3}{4}\);y = \(\dfrac{-4}{3}\)

b) B = 25(\(x^2\)\(y^4\))\(^2\) : 15\(x^4\)\(y^6\) tại x = 2017; y = \(\dfrac{3}{5}\)

Change these sentences into Reported Speech:

1. " It musst be pretty late, so we really must go", my friends said.

2. "I will stay here till the beginning of October", said Van.

3. " There isn't any milk in this bottle, Lan." Ba said.

Change these sentences into Reported Speech:

1. The boy said " We have to try our best to xin the match"

2. Phong said "I need to learn more vocabulary"

3. Lan said " I like learning English".

4. Miss Nga said: "I love these sunflowers"

5. "I have to go to the school library now," John said

6. "I need to improve my pronunciation", Lan said.

7. "The farmers like to wear jeans to work here", Jack said.