Các câu hỏi tương tự
Tìm x biết:
a, \(\frac{x:3-16}{2}\)+21=38
b, \(\frac{1}{4}+\frac{1}{3}:\frac{1}{x}=\frac{11}{12}\)
c, 4+\(\frac{1}{3}+\frac{1}{6}+\frac{1}{10}+\frac{1}{15}+...+\)\(\frac{2}{xXx\left(x+1\right)}\)
Tìm x
\(\frac{4}{3}+x\cdot\frac{2}{3}-\frac{1}{4}=4\frac{5}{12}\)
BÀI 2: tìm số hữu tỹ X , biết rằnga,frac{-3}{2}-2X+frac{3}{4}-22b, (frac{-2}{3}x-frac{3}{5})(frac{3}{-2}-frac{10}{3})frac{2}{5}c,frac{x}{2}-left(frac{3x}{5}-frac{13}{5}right)-left(frac{7}{5}+frac{7}{10}.xright)d,frac{2x-3}{3}+frac{-3}{2}frac{5-3x}{6}-frac{1}{3}e,frac{2}{3x}-frac{3}{12}frac{4}{5}-left(frac{7}{x}-2right)
Đọc tiếp
BÀI 2: tìm số hữu tỹ X , biết rằng
a,\(\frac{-3}{2}-2X+\frac{3}{4}=-2\)2
b, (\(\frac{-2}{3}x-\frac{3}{5}\))(\(\frac{3}{-2}-\frac{10}{3}\))=\(\frac{2}{5}\)
c,\(\frac{x}{2}-\left(\frac{3x}{5}-\frac{13}{5}\right)=-\left(\frac{7}{5}+\frac{7}{10}.x\right)\)
d,\(\frac{2x-3}{3}+\frac{-3}{2}=\frac{5-3x}{6}-\frac{1}{3}\)
e,\(\frac{2}{3x}-\frac{3}{12}=\frac{4}{5}-\left(\frac{7}{x}-2\right)\)
Tìm hai số liên tiếp x và y
x < \(8\frac{2}{3}-\frac{12}{5}\)< y
Tìm số tự nhiên x sao cho
\(4\frac{3}{5}+\frac{7}{10}\)< x < \(\frac{20}{3}\)
bài 2:tìm x phân số
a)\(x:\frac{5}{4}=\frac{9}{5}+\frac{1}{2}=?\) b)\(\left(x+\frac{3}{4}\right)x\frac{5}{7}=?\frac{10}{9}\)
Tìm x:
\(\frac{x}{2}+\frac{x+x}{3}+\frac{x+x+x}{4}=1\frac{11}{12}\)
(Nhanh, đúng, đầy đủ)
Tìm x
\(a,x+\frac{15}{7}=\frac{9}{2}\)
\(b,x-\frac{3}{4}=\frac{7}{2}\)
\(c,x\times\frac{7}{8}=\frac{12}{5}\)
\(d,\frac{5}{6}:x=\frac{4}{3}\)
Tìm x;
(\(\frac{1}{2}+\frac{1}{4}+\frac{1}{8}+\frac{1}{16}\)) : x = (\(\frac{1}{2}+\frac{1}{6}+\frac{1}{12}+\frac{1}{20}+.......+\frac{1}{132}\))
a)\(\frac{5}{9}\)x \(\frac{12}{25}\)=.........
b)\(\frac{12}{11}\):\(\frac{36}{55}\)=........
c)\(\frac{9}{55}\)x 22=..........
d)\(\frac{144}{7}\): 36
Làm ơn giúp mình nha!