\(26:\frac{13}{17}.\frac{34}{7}\)
\(=26.\frac{17}{13}.\frac{34}{7}=2.17.\frac{34}{7}=34.\frac{34}{7}\)
\(=\frac{1156}{7}\)
11 / 3 . 21 / 91 - 5 / 18
= 11 / 13 - 5 / 18
= 133 / 234
= 4 / 5 + 16 / 5 . 55 / 4
= 4 / 5 + 44
= 224 / 5
\(a,\frac{11}{3}:\frac{99}{21}-\frac{5}{18}\)
\(=\frac{7}{9}-\frac{5}{18}\)
\(=\frac{1}{2}\)
\(b,\frac{4}{5}+\frac{16}{5}:\frac{4}{55}\)
\(=\frac{4}{5}+44\)
\(=\frac{224}{5}\)
\(c,26:\frac{13}{17}×\) \(\frac{34}{7}\)
\(=34×\frac{34}{7}\)
\(=\frac{1156}{7}\)
