Question

Tính nhanh 

4/5 × 3/7 + 4/5 × 6/7 - 4/5 × 4/14 

Làm rõ ai nhanh mik tik

Answer 1

= 4/5* (3/7+6/7-4/14)

=4/5*14/14

=4/5*1

=4/15

Answer 2

=4/5x(3/7+6/7-4/14)

=4/5x1

=1

Answer 3

\(\frac{4}{5}.\left(\frac{3}{7}+\frac{6}{7}-\frac{4}{14}\right)=\frac{4}{5}.1=\frac{4}{5}\)

Answer 4

=4/5 nha ko pải là 4/15 mik ấn nhầm nhớ kb vs mik

Answer 5

= 4/5 x ( 3/7 + 6/7 - 4/14 )

= 4/5 x ( 3/7 + 6/7 - 2/7 )

= 4/5 x 7/7

= 4/5

Answer 6

4/5x3/7+4/5x6/7-4/5x4/14

=4/5x3/7+4/5x6/7+(-4/5)x4/14

=4/5x(3/7+6/7)+(-4/5)x4/14

=4/5x9/7+(-8/35)

=36/35+(-8/35)

=4/5

Answer 7

=4/5x(3/7+6/7-4/14)

=4/5x1

=4/5

(k chị nha)

Answer 8

4/15 nhé bạn

Answer 9

4/5-x=3/7