Question

Tính bằng hai cách:

7/11:3/5+4/11:3/5

Answer 1

Cách 1: 7/11:3/5+4/11:3/5

=35/33+20/33

=1/2/3

=5/3

Cách 2:7/11:3/5+4/11:3/5

=(7/11+4/11):3/5

=11/11:3/5

=1:3/5

=5/3

Answer 2

cách 1 : (7/11+4/11):3/5

=1:3/5

=5/3

Answer 3

cách 2:

35/33+20/33

=55/33

=5/3

h mình nha