Question

tính bằng cách thuận tiện: 5/12 x 2/3 + 2/3  x 7/12 + 1/3 

Answer 1

=2/3 x ( 5/12 + 7/12 ) + 1/3 = 2/3 *1 +1/3 = 1

Answer 2

=2/3 . (5/12 + 7/12) +1/3

=2/3 . 1 + 1/3

=1

Answer 3

1 bạn nhé

Answer 4

bằng 1 ban nhé

Answer 5

y như Linh Nguyễn Channel đó má

Answer 6

=2/3x(5/12+7/12)+1/3

=2/3x1+1/3

=2/3+1/3

=1

Con lạy má