Question

\(\frac{38}{11}+\left(\frac{13}{16}+\frac{6}{11}\right)\)

Nhớ tính nhanh 

Answer 1

\(\frac{38}{11}+\left(\frac{13}{16}+\frac{6}{11}\right)\)

\(=\left(\frac{38}{11}+\frac{6}{11}\right)+\frac{13}{16}\)

\(=\frac{44}{11}+\frac{13}{16}\)

\(=4+\frac{13}{16}\)

\(=\frac{64}{16}+\frac{13}{16}\)

\(=\frac{77}{16}\)

Answer 2

Ta có: \(\frac{38}{11}+\left(\frac{13}{16}+\frac{6}{11}\right)\)

 \(=\left(\frac{38}{11}+\frac{6}{11}\right)+\frac{13}{16}\)

  \(=4+\frac{13}{16}=\frac{77}{16}\)

Answer 3

77/16