Question

_1/3 . 6/7 + 4/7 : 9/14

Answer 1

\(\frac{-1}{3}.\frac{6}{7}+\frac{4}{7}:\frac{9}{14}\)

\(=\frac{-2}{7}+\frac{8}{9}\)

\(=\frac{38}{63}\)

Answer 2

 -1/3 . 6/7 + 4/7 : 9/14

= -2/7 + 4/7 . 14/9

= -2/7 + 8/9

= -18/63 + 56/63

= 38/63

Answer 3

Ta lay: 1/3.6/7+4/7÷9/14 =6/21+56/63=378/1323+1176/1323=1554/1323