Question

Tinh giá trị của biểu thức

3/4.(2/3-1/5:3/5)

Answer 1

3/4x(2/3-1/5:3/5)=1/4

Answer 2

3/4*(2/3-1/5:3/5)=3/4*(2/3-1/3)

                        =3/4*1/3

                       =1/4

Vậy.......

Answer 3

k cho mình nhé

Answer 4

\(\frac{3}{4}\cdot\left(\frac{2}{3}-\frac{1}{5}\div\frac{3}{5}\right)\)

\(=\frac{3}{4}\cdot\left(\frac{2}{3}-\frac{5}{15}\right)\)

\(=\frac{3}{4}\cdot\frac{5}{15}\)

\(=\frac{15}{60}=\frac{1}{4}\)