cần gắp ai xong trc thì vote nhg pk ghi đùng đề nha

Mong mọi người giúp mik, mik đang cần gấp lắm

chứng minh nguyên lý diricle bằng phương pháp phản chứng

Cho tam giác cân biết hai cạnh bằng 3 cm và 7 cm. Chu vi của tam giác cân đó là: A. 12 cm B. 10 cm C. 17 cm D. 6,5 cm

hãy chuyển các lời nói trực tiếp sau đây sang lời nói gián tiếp .( 3đ )1. Hoa said to Nam : “ I can help you do it tonight .” ..................................................................................... 2. “ Are there a lot of tasks, Nam ? ”, said Hoa. ..................................................................................... 3. “ It must be the tasks of Reported speech ”, said Hoa. ..................................................................................... 4. “ Do you know how to change it well or not, Hoa ?”, said Nam. ..................................................................................... 5. “ I really want to know how to do it well as you do”, said Nam. ..................................................................................... 6. “ I’m going to see you at 7.00 PM tonight”, said Hoa. ....................................................................................

tác phẩm 'chuyện người con gái nam xương'.tại sao tác phẩm có thể kết thúc ở phần 2 và sáng tạo phần kết đó

Khai triển các biểu thức sau 1.(3x+2)^3 2.27+x^3 3.216/125 y^6 + 1 4.(0,5x-1)^3

mn ơi giúp mik với mik cần cực cực gấp nha huhu 😫

PUT A WORD FROM THE BOX IN EACH GAP TO COMPLETE THE FOLLOWING PASSAGE collecting cooks gets likes walking cycling goes reads have listening My family has sĩ people. We (1) differrent hobbies. My grandfather (2) reading newspapers. He (3) newspapers every morning after breakfast . My grandmorther doesn't like reading them. She (4) to the market near myhouse every morning. She buys a lot of food. She(5) very well. Oh,I love all her food. My father likes (6) . He (7) up early and cycles around the West Lake all the year round. My mother doesn't likes this sport. She likes (8) . She walks about four or five kilometers every morning. My brother doesn't likes any sports. He likes (9) to music and playing drums. He is a member of the Green Band. It is a well-know band in my country. I don't like reading, cooking, or playing sports. I love (10) things, such as stamps and coins.

Tìm các số nguyên b để số hữu tỉ y = 2b-25 phần b+2 là số nguyên