Question

[PHẠM MAI ANH]

(4/5*3/8+4/5*5/8-4/5*7/8):1/2 = ?

Answer 1

[Hồ Thu Giang]

\(\left(\frac{4}{5}.\frac{3}{8}+\frac{4}{5}.\frac{5}{8}-\frac{4}{5}.\frac{7}{8}\right):\frac{1}{2}\)

= \(\frac{4}{5}.\left(\frac{3}{8}+\frac{5}{8}-\frac{7}{8}\right):\frac{1}{2}\)

= \(\frac{4}{5}.\frac{1}{8}:\frac{1}{2}\)

= \(\frac{1}{5}\)

= 0,2