so sánh a) $\frac{11}{18}$ và $\frac{2}{9}$ b) $\frac{-20}{24}$ và $\frac{-22}{33}$ c) $\frac{8}{-7}$ và $\frac{-13}{-11}$

lấy 1 số đem chia cho 72 thì được số dư là 28, cũng số đó đem chia cho 75 thì được số dư là 7 thương của 2 phép tính là như nhau. tìm số đó

tập hợp a cá số tự nhiên a mà a- 5 bằng 4

Có 3 tế bào nguyên phân liên tiếp 6 lần . Tính tổng số tế bào con sau 6 lần nguyên phân đó .

edit thêm chữ cho mk vs cảm ơn, mong mod k xóa

Làm giúp em phần c bài này vs ạ

Làm giúp em phần a,b bài này vs ạ

viết một bài văn nghị luận về hiện tượng lãng phí thời gian nhàn rỗi của giới trẻ ( KHÔNG COPY MẠNG Ạ) mình cảm ơn ạ

I met Mary. She asked me to give you this. –> ………………………………………………………………………………………………………………………………. He is the customer. I lost his address. –> ………………………………………………………………………………………………………………………………. She is the novelist. Her book won first prize. –> ………………………………………………………………………………………………………………………………. She was dancing with a student. He had a slight limp. –> ………………………………………………………………………………………………………………………………. I am looking after some children. They are terribly spoilt. –> ………………………………………………………………………………………………………………………………. The bed had no mattress. I slept on this bed. –> ………………………………………………………………………………………………………………………………. I was sitting in a chair. It suddenly collapsed. –> ………………………………………………………………………………………………………………………………. This is the story of a man. His wife suddenly loses her memory. –> ………………………………………………………………………………………………………………………………. I was waiting for a man. He didn’t turn up. –> ………………………………………………………………………………………………………………………………. The car crashed into a queue of people. Four of them were killed. –> ………………………………………………………………………………………………………………………………. I saw several houses. Most of them were quite unsuitable. –> ………………………………………………………………………………………………………………………………. Tom was tired and wanted to stop. He had been driving all day. –> ………………………………………………………………………………………………………………………………. Ann felt quite fresh. She had slept in the back of the car. –> ………………………………………………………………………………………………………………………………. Paul wanted to take the mountain road. His tyres were nearly new. –> ………………………………………………………………………………………………………………………………. We lit a fire. It soon dried out our clothes. –> ………………………………………………………………………………………………………………………………. He paid me $5 for cleaning the windows. Most of them hadn’t been cleaned for at least a year. –> ………………………………………………………………………………………………………………………………. Romeo and Juliet were lovers. Their parents hated each other. –> ………………………………………………………………………………………………………………………………. There wasn’t any directory in the telephone box. I was phoning from this box. –> ………………………………………………………………………………………………………………………………. This is Mrs Jones. Her son won the championship last year. –> ………………………………………………………………………………………………………………………………. I bought a dozen of eggs. Six of them broke when I dropped the box. –> ………………………………………………………………………………………………………………………………. I enjoyed the music. We listened to it after dinner ->...............................................................................................

Làm giúp em phần c,d bài này vs ạ