Question

[Trần Hiền]

a) $\frac{-3}{4}.\frac{12}{-5}.\left(\frac{-25}{6}\right)$

b) $(-2).\frac{-38}{21}.\frac{-7}{4}.(-\frac{3}{8})$

c) $(\frac{11}{12}:\frac{33}{16}).\frac{3}{5}$

d) $\frac{7}{23}.\left[(-\frac{8}{6})-\frac{45}{18}\right]$

Answer 1

[Vô Danh]

... Trang này là Văn bn ui

Answer 2

[Trần Hiền]

t bt