Question

TÍNH BẰNG CÁCH THUẬN TIỆN : 

\(2\frac{3}{4}\)+  \(1\frac{5}{6}\)+   \(3\frac{1}{4}\) +   \(2\frac{1}{6}\)

Answer 1

     \(2\frac{3}{4}+1\frac{5}{6}+3\frac{1}{4}+2\frac{1}{6}\)

=   \(\frac{11}{4}+\frac{11}{6}+\frac{13}{4}+\frac{13}{6}\)

=   \(\left(\frac{11}{4}+\frac{13}{4}\right)+\left(\frac{11}{6}+\frac{13}{6}\right)\)

=   \(\frac{24}{4}+\frac{24}{6}\)

=    \(6+4\)

=    \(10\)