Question

\(19\frac{5}{8}:\frac{7}{2013}-26\frac{5}{8}:\frac{7}{2013}\)

Answer 1

\(19\frac{5}{8}\) \(:\) \(\frac{7}{2013}\) \(-\) \(26\frac{5}{8}\) \(:\) \(\frac{7}{2013}\)

= \(\frac{316041}{56}\) \(-\) \(\frac{428769}{56}\)

= \(-2013\)

Answer 2

\(19\frac{5}{8}:\frac{7}{2013}-26\frac{5}{8}:\frac{7}{2013}\)

\(=\left(19\frac{5}{8}-26\frac{5}{8}\right):\frac{7}{2013}\)

\(=-7:\frac{7}{2013}\)

\(=-2013\)

Answer 3

THANK YOU VERY MUCH TRẦN NHẬT QUỲNH VERY VERY VERY MUCH 

Answer 4

\(19\frac{5}{8}\div\frac{7}{2013}-26\frac{5}{8}\div\frac{7}{2013}\)

\(=\left(19\frac{5}{8}-26\frac{5}{8}\right)\div\frac{7}{2013}\)

\(=\left(\frac{157}{8}-\frac{213}{8}\right)\div\frac{7}{2013}\)

\(=-7\div\frac{7}{2013}\)

\(=-2013\)

Answer 5

\(19\frac{5}{8}:\frac{7}{2013}-26\frac{5}{8}:\frac{7}{2013}\)

Xét : \(26\frac{5}{8}=19\frac{5}{8}+7\frac{5}{8}\)

Ta có : \(19\frac{5}{8}:\frac{7}{2013}-19\frac{5}{8}:\frac{7}{2013}+7\frac{5}{8}:\frac{7}{2013}\)

 vì \(19\frac{5}{8}:\frac{7}{2013}-19\frac{5}{8}:\frac{7}{2013}=0\)

=> Ta lại có : \(0-7\frac{5}{8}:\frac{7}{2013}=-\frac{61}{8}.\frac{2013}{7}=\frac{-122793}{56}=-2192,732142857143...\)

Bài này chỉ cần ghi công thức thôi .