HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
Look at the information and identify which one is meant
Use the shortest way of identifying where possible, e.g. the tall boy, not the boy is tall
The young man ( he is at the door ) ............
The man ( he plays his stereo at night ) ...........
The woman ( she is very thin ) ...........
The girl ( she has green eyes ) ............
The young woman ( she is in the office ) ...........
The man ( he drives a taxi ) .............
The young man ( he is smart ) ..........
The student ( she failed all her exams ) ............
Tính giá trị biểu thức \(P=\dfrac{\:sin66^0}{cos24^0}+sin^260^0-\left(2021-sin^230^0\right)\)
Giải phương trình
\(\sqrt{x^2+4x+4}=2x+1\)
Rút gọn
\(\dfrac{\sqrt{x}+3}{\sqrt{x}-2}+\dfrac{\sqrt{x}+2}{3-\sqrt{x}}+\dfrac{\sqrt{x}+2}{x-5\sqrt{x}+6}\)