3 mảnh vải dài tổng cộng 41m. Nếu thêm 2m vào vải loại I, bớt 3 m vải loại II và thêm 4m vào vải loại III thì số mét vải loại I, II, III tỉ lệ nghịch vs 4,5,2. Tính số mét vải mỗi loại

Cho hình vẽ : Vết mực đã xóa đi đỉnh O của \(\widehat{xOy}\). Hãy trình bày cách vẽ qua M đường thẳng vuông góc với tia phân giác của \(\widehat{xOy}\)

Tìm x \(\in Z\), sao cho :(x²-1)(x²-4)(x²-7)(x²-10)<0

Chọn từ có phần gạch chân phát âm khác

relax snack area atlas

(Tất cả gạch chân chữ a, hai từ cuối gạch chân chữ a đầu)

Viết lại câu\

1. You shoildn't eat too much meat

-. You'd ............

2. Lan's parents gave her a bike for her borthday

-> Lan received....................

3. When my mother was ill, I looked after her

-> I took..................

4. People can recycle tires to make pipes or floor coverings

-> Tires.........................

Chia V

1. This knife is ........ it can't cut anything USE

2. Wash your hands before ................... food TOUCH

3.Mrs. White's daughter is having a ....................... check up ,MEDICINE

4.Catching the common cold is ............ for everybody PLEASE

5. You must remember to eat .................... SENSE

Tìm lỗi sai và sửa lại

1. The doctor measured her temperature and said that it was normal

2. After checking the doctor gave her some medicine and asks her to stay in bed for a few days

3. The doctor told her to sit down and asked what was the matter with her

4.My parents always think that I am not wbough old to ride to school alone

Viết lại câu

1. It is wrong of us to throw rubbish

-> We musn't............

2. It's good if you drink much milk

-> You should ............

3. Opposite our school there is an art gallery

-> The art gallery ......................

4. That motorbike belongs to Mr. BA

-> That is....................

5. Whose book is that?

-> Who ................