HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
1. They reported that the house is in excellent condition. (BE)
-> ___________
2. Someone needs to explain this email system to the beginners (EXPLANING)
3. "Let's go out to eat!" , she said. (GOING)
4. People have been using this small cave as a shelter for over 20 years now. (IN USE)
5.We had to ask him to repair our car twice. (REP AIRED)
1.People said that Phu Quoc is a very mountainous and densely forested island.
-> It________
2. People have suggested that tourists should not miss Mekong River Delta.
-> It ________
3. The One Pillar Pagoda is said to represent a lotus flower growing up out of the water.
-> People _______
4. It is said that Phong Nha vave contains archaeological artfacts of Champa culture.
-> Phong Nha cave_______
5. They thought that this former hill station was founded by the French.
-> This former hill station_______
Rút gọn: B=\(\dfrac{x+20}{x-4}+\dfrac{1}{\sqrt{x}+2}+\dfrac{6}{2-\sqrt{x}}\)
II. Rewrite the questions in reported speech, using question words + to-infinitive.
1. Bill wondered: "Where should I stay in Hanoi for a few days?"->
2. "Should we have a picnic next Saturday?" He asked.->
3. "Daddy, what should we do this evening?" Sarah asked.->
4. "Who should we invite to have dinner with us?" they wondered.->
5. "How should I correct this mistake, Mrs. Laura?" asked Julia.->
Tìm tất cả số chính phương để \(M=\dfrac{x\sqrt{x}-8}{x-4\sqrt{x}+4}\) nhận giá trị là số nguyên
Cho \(A=\left(\dfrac{2x+1}{x\sqrt{x}-1}-\dfrac{\sqrt{x}}{x+\sqrt{x}+1}\right)\left(\dfrac{1+x\sqrt{x}}{1+\sqrt{x}}-\sqrt{x}\right)vớix\ge0,x\ne1\)
a) Rút gọn A
b) Tìm x để A=3
c) Tìm x ϵ N để A≤ 5
Tìm x, biết :a) \(\dfrac{x-2}{\sqrt{3x-2}+2}=9\)
b) \(\sqrt{5x-2}=9\)
c) \(\dfrac{2x-16}{\sqrt{x+1}-3}=5\)