Các câu hỏi tương tự
tinh bằng cách thuật tiện nhất
\(\frac{1}{10}x\frac{2}{9}x\frac{3}{8}x\frac{4}{7}x\frac{5}{6}x\frac{6}{5}x\frac{7}{4}x\frac{8}{3}x\frac{9}{2}\)
Tính nhanh :
\(a,\frac{3}{4}x\frac{8}{5}x\frac{5}{9}\)
\(b,\frac{6}{7}:\frac{3}{14}:\frac{1}{2}\)
1,Tính nhanh
a,3x\(\left(\frac{1}{7}+\frac{1}{3}-\frac{3}{14}\right):\frac{11}{14}\)
b,\(\left(\frac{21}{8}+\frac{1}{2}\right):\frac{5}{6}\)
3,Tìm x,biết
a,\(\frac{1}{3}+\frac{1}{6}+\frac{1}{10}+......+\frac{2}{x\cdot\left(x+1\right)}=\frac{2016}{2018}\)
b,720:\(720:[41-\left(2\cdot x-5\right)]=120\)
a)\(\frac{3}{5}-\frac{1}{3}-\frac{1}{6}\)
b)\(\frac{4}{7}x\frac{5}{8}x\frac{7}{12}\)
c)\(\frac{25}{28}:\frac{15}{14}x\frac{6}{7}\)
x + \(\frac{3}{8}\) = \(\frac{4}{3}\)
x - \(\frac{4}{5}\) = \(\frac{7}{6}\)
X nhân \(\frac{1}{9}\) = \(\frac{21}{8}\)
x : \(\frac{8}{3}\) = 5
\(1\frac{1}{3}\)x \(2\frac{1}{4}\)x\(3\frac{1}{5}\)x\(4\frac{1}{6}\)x\(5\frac{1}{7}\)x\(6\frac{1}{8}\)x\(7\frac{1}{9}\)x\(8\frac{1}{10}\)
Tính nhanh
a)\(\frac{11}{15}+\frac{5}{7}+\frac{2}{7}+\frac{4}{15}\)
b)\(\frac{5}{9}x\frac{1}{2}x\frac{5}{9}x\frac{6}{4}\)
c)\(\frac{7}{8}:\frac{1}{2}+\frac{9}{8}:\frac{1}{2}\)
d)\(\frac{17}{10}+\frac{1}{2}-\frac{7}{10}\)
1.Thực hiện phép tínha,frac{5}{8}xfrac{4}{10}+frac{2}{3}b,frac{5}{12}xfrac{4}{7}+frac{5}{12}xfrac{3}{7}c,left(frac{4}{5}+frac{3}{10}-frac{1}{5}right)x6:frac{4}{7}2.So Sánha,frac{5}{8}vtext{à}frac{2}{3}b.frac{9}{14}vtext{à}frac{17}{21}c.frac{418}{417}vtext{à}frac{925}{926}ai giải đúng đầu tiên mik tick
Đọc tiếp
1.Thực hiện phép tính
a,\(\frac{5}{8}x\frac{4}{10}+\frac{2}{3}\)
b,\(\frac{5}{12}x\frac{4}{7}+\frac{5}{12}x\frac{3}{7}\)
c,\(\left(\frac{4}{5}+\frac{3}{10}-\frac{1}{5}\right)x6:\frac{4}{7}\)
2.So Sánh
a,\(\frac{5}{8}v\text{à}\frac{2}{3}\)
b.\(\frac{9}{14}v\text{à}\frac{17}{21}\)
c.\(\frac{418}{417}v\text{à}\frac{925}{926}\)
ai giải đúng đầu tiên mik tick
\(1\frac{1}{3}\)x \(2\frac{1}{4}\)x \(3\frac{1}{5}\)x \(4\frac{1}{6}\)x \(5\frac{1}{7}\)x \(6\frac{1}{8}\)x \(7\frac{1}{9}\)x \(8\frac{1}{10}\)