2681 - x : 11 = 2543
=> x:11=2681-2543
=> x:11=138
=> x=138x11
=> x=1518
2681 - x : 11 = 2543
x : 11 = 2681 - 2543
x : 11 = 138
x = 138 x 11
x = 1518
chúc bn giáng sinh vui vẻ
2681 - x : 11 = 2543
x : 11 = 2681 - 2543
x : 11 = 138
x = 138 : 11
x = 12,54545455
2681-x:11=2543
x:11=2681-2543
x:11= 138
x = 138x11
x = 1518
2681 - x : 11 = 2543
x : 11 = 2681 - 2543
x : 11 = 138
x = 138 x 11
x = 1518