Question

tinh bang cach thuan tien nhat 

19/11 + [8/13 + 3/11] =................

Answer 1

19/11 + [8/13 + 3/11]

=19/11+ 3/11+ 8/13

= 2 + 8/13

= 34/13

Answer 2

=\(\frac{19}{11}+\frac{3}{11}+\frac{8}{13}\)

=\(2+\frac{8}{13}\)

=\(2\frac{8}{13}\)

Answer 3

19/11+(8/13+3/11)=(19/11+3/11)+8/13=2+8/13=26/13+8/13=34/13

Answer 4

=19/11+ 8/13+3/11= (19/11+3/11)+8/13=2+8/13=26/13+8/13= 34/13 bạn nhé

Answer 5

thiếu ngoặc kìa