\(A=\frac{10-1\frac{1}{6}.\frac{6}{7}}{21:\frac{11}{2}+5\frac{2}{11}}=\frac{10-\frac{7}{6}.\frac{6}{7}}{\frac{21.2}{11}+\frac{57}{11}}=\frac{10-1}{\frac{42}{11}+\frac{57}{11}}=\frac{9}{9}=1\)
Tính giá trị biểu thức sau
A =\(\frac{10-1\frac{1}{6}x\frac{6}{7}}{21:\frac{11}{2}+5\frac{2}{11}}\)
tính nhanh:
\(\frac{10-1\frac{1}{6}\times\frac{6}{7}}{21\div\frac{11}{2}+5\frac{2}{12}}\)
\(\frac{6\div\frac{3}{5}-1\frac{1}{6}\times\frac{6}{7}}{4\frac{1}{5}\times\frac{10}{11}+5\frac{2}{11}}\)
Tính nhanh:
A=\(\left(\frac{2}{5}+\frac{2}{9}+\frac{2}{11}\div\frac{7}{5}+\frac{7}{9}+\frac{7}{11}\right)\div\left(\frac{1}{3}-\frac{1}{4}+\frac{1}{5}\div\frac{7}{6}-\frac{7}{8}+\frac{7}{10}\right)\)
\(A=10-1\frac{1}{6}x\frac{6}{7}\)
\(B=21:\frac{11}{2}+5\frac{2}{11}\)
a,Tính A
b,Tính B
c,Tính A x B
d,Tính A : B
\(\frac{6\div\frac{3}{5}-1\frac{1}{6}\times\frac{6}{7}}{4\frac{1}{5}\times\frac{10}{11}+5\frac{2}{11}}=?\)
\(\frac{6\div\frac{3}{5}-1\frac{1}{6}\times\frac{6}{7}}{4\frac{1}{5}\times\frac{10}{11}+5\frac{2}{11}}\)
\(y=\frac{6:\frac{3}{5}-1\frac{1}{6}x\frac{6}{7}}{4\frac{1}{5}x\frac{10}{11}+5\frac{2}{11}}\)=?
\(A=\left(6:\frac{3}{5}-1\frac{1}{6}x\frac{6}{7}\right):\left(4\frac{1}{5}x\frac{10}{11}+5\frac{2}{11}\right)\)\(B=\left(1-\frac{1}{2}\right)x\left(1-\frac{1}{4}\right)x.......x\left(1-\frac{1}{2015}\right)x\left(1-\frac{1}{2016}\right)\)
\(C=5\frac{9}{10}:\frac{3}{2}-\left(2\frac{1}{3}x4\frac{1}{2}-2x2\frac{1}{3}\right):\frac{7}{4}\)
