đúng rồi đó =_='

đề sai nhé bạn!

Điền từ còn thiếu vào chỗ trống

1.How_much_ a kilo of sugar?

It is 20,000 dong

2, How much rice does she _need_?

3, How _much_ does the shirt cost?

I have to make such a difficult decision. I really need some further advice.

Jim’s father operates _machines_ in a factory.

\(3A=1+\frac{1}{3}+\frac{1}{3^2}+.........+\frac{1}{3^{100}}\)

\(\Rightarrow3A-A=1+\frac{1}{3}+\frac{1}{3^2}+.........+\frac{1}{3^{100}}-\left(\frac{1}{3}+\frac{1}{3^2}+.......+\frac{1}{3^{99}}\right)=1+\frac{1}{3}\)

\(\Rightarrow2A=1+\frac{1}{3}\Rightarrow A=\left(1+\frac{1}{3}\right):2\)

This natiomal park is famous for its beautiful scenery.

Bạn ơi,có thể bạn sai đề rồi đó bạn!ko thể nhẹ mà bắt đầu làm chữ t được.Là light chứ.

i uaually go to school by bike but today i am going ..on.. foot

i uaually go to school by bike but today i am going ..on.. foot