1.You/do/the housework /at the moment? 

=> Are you doing the housework at the moment ?

2.I/not/go/on weekend. 

=> I am not go on weekend .

3.John's girl friend/wear/a T-shirt/now. 

=> John's girl friend is wearing a T - shirt now

4.They/like/beer or wine. 

=> They like beer or wine .

5.Why/you/listen/to music/loudly/now? 

=> Why are you listening to music loudly now ?

Ta có : \(-\frac{12}{1,6}=-\frac{22}{3}\)

Những tỉ lệ thức lập được là : \(\frac{-12}{-22}=\frac{1,6}{3};\frac{-22}{-12}=\frac{3}{1,6};\frac{1,6}{-12}=\frac{3}{-22}\)

a) \(\frac{2,5}{4x}=\frac{0,5}{0,2}\)

\(=>4x=\frac{0,2.2,5}{0,5}=1\)

\(=>x=\frac{1}{4}\)

b) \(\frac{1}{5}.\frac{x}{3}=\frac{2}{3}:0,25\)

\(=>\frac{x}{15}=\frac{4}{3}\)

\(=>x=\frac{4.15}{3}=20\)

Fill in each blank with ONE suitable word. 

1. We find playing table - tennis very interesting because we can meet and make friends with interesting people.

2. My brother and I are the same hobby.

3. I love playing outdoors in my garden to plant flowers and vegetables. 

4. My father likes riding his bike in the park at the weekend. 

5. Tom and Peter like water sports and they go swimming, play water polo and surf together a lot.

Kẻ c//a qua O ⇒ c//b

Ta có: a//c ⇒ ∠O₁ = ∠A₁ ( So le trong)

⇒ ∠O₁ = 38⁰

b//c ⇒  ∠O₂ + ∠B₁ = 180⁰ ( Hai góc trong cùng phía)

⇒ ∠O₂ = 48⁰

Vậy x = ∠O₁ + ∠O₂ = 38⁰ + 48⁰

x = 86⁰