23 tháng 4 2023 lúc 10:22
Các câu hỏi tương tự
\(\dfrac{2}{1²}\) . \(\dfrac{6}{2²}\) . \(\dfrac{12}{3³}\) . \(\dfrac{20}{4²}\) +....+ \(\dfrac{110}{10²}\) . x = -20
Help me
\(1\dfrac{13}{15}\) . 0,75 - \((\dfrac{11}{20}\) + 25%) : \(\dfrac{7}{3}\)
Help me!!!! Giúp tớ với ạ🥺👉🏻👈🏻
\(\dfrac{4}{3.5}\) + \(\dfrac{8}{5.9}\) + \(\dfrac{12}{9.15}\)+.......+
\(\dfrac{32}{x(x+16)}\) = \(\dfrac{16}{15}\)
\(\dfrac{32}{x(x+16)}\) = \(\dfrac{16}{15}\)
\(\dfrac{HeLp}{me}\) \(\dfrac{nguyễn}{đức}{Trí}\)
\(\dfrac{1}{5}\).\(\left(x+\dfrac{1}{5}\right)\)\(+\)\(\dfrac{2}{5}\)\(\left(x+\dfrac{5}{3}\right)\)\(=\)\(\dfrac{98}{75}\)
help me please :D
Tìm x,y ∈ N biết
\(\dfrac{x}{9}\)=\(\dfrac{3}{y}\)+\(\dfrac{1}{18}\) Help me
1 + \(\dfrac{1}{3}\) +\(\dfrac{1}{6}\)+\(\dfrac{1}{10}\) +......+
\(\dfrac{2}{x(x+1)}\) =1\(\dfrac{1989}{1991}\)
\(\dfrac{help}{me}\)
1 + \(\dfrac{1}{3}\) + \(\dfrac{1}{6}\) + \(\dfrac{1}{10}\)
+......+ \(\dfrac{2}{x(x+1)}\) =1\(\dfrac{1989}{1991}\)
HeLp me
Mọi người ơi help me !\
Bài 1:
a) 11 x 62 + (- 12 ) x 11 + 50 +11
b) 5/ 13 + -5 / 7 + -20 /41 + 8/ 13 + -21 / 41
Tính giá trị biểu thức \(A=x^2-3x+1\) khi \(\left|x+\dfrac{1}{3}\right|=\dfrac{2}{3}\)
Help me