HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
Internet is a very fast and conventient way for me to get ___
A. situation
B. invention
C.information
D.communication
A 54-year-old accountant was arrested for ___ driving last night.
A. drink
B. drinking
C.drank
D.drunk
Our trip will be ready __ two days.
A.in
B.at
C.on
D.for
______ Bahasa Malaysia, English and Chinese are also widely spoken in Malaysia
A. Moreover
B. In addition to
C. In addition
D. Addition
Giải phương trình:
\(\sqrt{x+1}\) + \(\sqrt{3-x}\) - \(\sqrt{\left(x-1\right)\left(3-x\right)}\) = 2
\(\sqrt{\sqrt{3}-x}\) = x \(\sqrt{\sqrt{3}+x}\)
Tìm x, y thỏa mãn:
\(\dfrac{x^2-4}{x}\) + \(\dfrac{y^2-4}{y}\)+8 = 4(\(\sqrt{x-1}\) + \(\sqrt{y-1}\) )