Question

1/5*(7/3+2/8):0,25

Answer 1

chưa học

Answer 2

what the hell

Answer 3

1/5*(7/3+2/8):0.25

=1/5*31/12:0.25

=31/60      :0.25

=            31/15

Answer 4

=1/5*(56/24+6/24):1/4

=1/5*(62/24)*4

=4/5*31/12

=31/15

Answer 5

=31/15 nha bn

Answer 6

\(\frac{1}{5}\times\left(\frac{7}{3}+\frac{2}{8}\right):0,25\)

\(=\frac{1}{5}\times\left(\frac{7}{3}+\frac{1}{4}\right):\frac{1}{4}\)

\(=\frac{1}{5}\times\left(\frac{28}{12}+\frac{3}{12}\right):\frac{1}{4}\)

\(=\frac{1}{5}\times\frac{31}{12}:\frac{1}{4}\)

\(=\frac{31}{60}:\frac{1}{4}\)

\(=\frac{124}{60}=\frac{31}{15}\)

Answer 7

=31/15 nha bn

Answer 8

\(\frac{1}{5}\)x(\(\frac{7}{3}\)+\(\frac{2}{8}\)):0,25

=\(\frac{1}{5}\)x(\(\frac{56}{24}\)+\(\frac{6}{24}\)) : 0,25

=\(\frac{1}{5}\)x\(\frac{31}{12}\):0,25

=\(\frac{31}{60}\):0,25

=còn lại tự tính

nhớ tính nhé