Question

1/2 - 3/4 - (-1/3) + 1/69 - 2/9 + 1/6 - 1/36

Answer 1

1/2 - 3/4 - ( - 1/3) + 1/69 - 2/9 + 1/6 - 1/36 = 1/69 nha bạn !

Answer 2

1/2 - 3/4 - (-1/3) + 1/69 - 2/9 + 1/6 - 1/36
= {1/2-3/4+1/6-1/36}+{1/3+1/69}-2/9
= {18-27+6-1/36}+{23+1/69}-2/9
= -4/36 + 24/69 -2/9
= -1/9 -2/9+24/69
= -1/3+24/69= -23+24/69=1/69
Bài này siêu siêu dễ ~~~~~~~~~~~~~~

Answer 3

1/2 - 3/4 - (-1/3) + 1/69 - 2/9 + 1/6 - 1/36

= 1/2 - 3/4 + 1/3 + 1/69 - 2/9 + 1/6 - 1/36

= (1/2 - 3/4 + 1/6 - 1/36) + (1/3 + 1/69) - 2/9

= -4/36 + 24/69 - 2/9

= -1/9 - 2/9 + 24/69

= 1/69