\(11\frac{5}{8}+\frac{69}{27}+4\frac{3}{8}+\frac{59}{18}\)
\(=11\frac{5}{8}+\frac{23}{9}+4\frac{3}{8}+\frac{59}{18}\)
\(=11\frac{45}{72}+\frac{184}{72}+4\frac{27}{72}+\frac{236}{72}\)
\(=\left(11+4\right)+\left(\frac{45+184+27+236}{72}\right)\)
\(=15+\frac{123}{12}\)
\(=15+10\frac{1}{4}\)
\(=25\frac{1}{4}\)
de sai roi ban
11 ... 5 phan 8 + 69 phan 27 + 4 .... 3 phan 8 + 59 phan 18
và la + hay- hay nhan hay chia