Question

[Trần Gia Nghi]

a) 3,2 . -15/64-(4/5+2/3): cho hỗn số ba 2/3

Answer 1

[Nguyễn Tiến Dũng]

\(=\frac{16}{5}.\frac{-15}{64}-\left(\frac{4}{5}+\frac{2}{3}\right):3\frac{2}{3}=\frac{16}{5}.\frac{-15}{64}+\frac{-22}{15}:\frac{11}{3}=\frac{-3}{4}+\frac{-2}{5}=\frac{-23}{20}\)