Question

kb voi minh nha

Answer 1

ok kb đi 

Answer 2

cac bn giup minh cha loi nha 

1-(2/5+1/3)

Answer 3

1-(2/5+1/3)

=1-11/15

=4/15

chuc ban hok tot

Answer 4

mik rui day

Answer 5

cam on bn vi loi chuc giup minh con nay di 2/3+1/2-5/6