\(\frac{x^2}{8}=\frac{25}{2}\)
\(\frac{x^2}{8}=\frac{100}{8}\)
\(x^2=100\)
\(x=10\)
\(\frac{x^2}{8}=\frac{25}{2}\)
\(\frac{x^2}{8}=\frac{100}{8}\)
\(x^2=100\)
\(x=10\)
a) \(1-\left(5\frac{3}{8}+x-7\frac{5}{24}\right):\left(-16\frac{2}{3}\right)=0\)0
b) \(\left(\frac{x}{3}-5\frac{1}{4}\right)^2-\frac{-2}{5}=1\frac{1}{25}\)
c) \(1\frac{1}{3}-25\%\left(x-\frac{8}{3}\right)+2x=1,6:\frac{3}{5}\)
a \(\frac{1-2x}{8}=\frac{-4}{2\left(2x-1\right)}\)
b \(\frac{-2}{x-1}=\frac{1-x}{\frac{8}{25}}\)
\(\frac{\frac{\frac{\frac{\frac{2}{4}}{8}}{5}}{25}}{\frac{25}{\frac{5}{\frac{8}{\frac{4}{2}}}}}=?\)
1) \(\frac{24}{-12}=\frac{x}{5}=\frac{-y}{3}\)Tìm x và y
2) \(\frac{1}{3}+\frac{-2}{5}+\frac{1}{6}+\frac{-5}{25}\le\frac{x}{10}< \frac{-3}{4}+\frac{4}{14}+\frac{-2}{8}+\frac{-3}{5}+\frac{5}{7}\)Tìm x
3) \(\frac{8.x+18}{2.x+6}\)Tìm x
a)\(\frac{x-1}{x+5}=\frac{6}{7}\)
b)\(\frac{-2}{x}=\frac{-x}{\frac{8}{25}}\)
Tìm x
a)\(5\frac{8}{17}:x+\left(-\frac{4}{17}\right):x+3\frac{1}{7}:17\frac{1}{3}=\frac{4}{11}\)
b)\(\left(x+\frac{1}{5}\right)^2+\frac{17}{25}=\frac{26}{25}\)
Tìm x biết \(\frac{2}{5}.x:\frac{7}{3}.\frac{1}{8}=\frac{25}{15}\)
a,\(\frac{8}{9}x-\frac{2}{3}=\frac{1}{3}x+1\frac{1}{3}\)
b,\(\left(\frac{-2}{5}+\frac{3}{7}\right)-\left(\frac{4}{9}+\frac{12}{20}-\frac{13}{25}\right)+\frac{7}{35}\)
c,(\(\left(\frac{7}{8}-2\frac{1}{3}\right):\frac{2}{5}+\frac{1}{6}\)
Bực mình
đề bài là như thế này
Tìm x,y
\(a.\)\(\frac{-3}{5}=\frac{x}{25}\)
\(b.\)\(\frac{10}{y}=\frac{-2}{5}\)
\(c.\)\(\frac{x}{-8}=\frac{-2}{x}\)
Và đây là bài mk làm
\(a.\)\(\frac{-3}{5}=\frac{-15}{25}\)
\(b.\)\(\frac{-10}{25}=\frac{2}{5}\)
\(c.\)\(\frac{2}{-8}=\frac{-2}{8}\)
Hỏi sai thì sai kiểu gì? Sai chỗ nào mà cô chấm là sai?