1456+x:6=678+9
1456+x:6=687
(1456+x):6=687
1456+x=687x6
1456+x=4122
x=4122-1456
x=2666
nhớ k nhé
1456+x:6=678+9 1456+x:6=687 x:6=1456-687 x:6=769 x=769x6 x=4614 Vậy x= 4614
1456+x:6=678+9
1456+x:6=687
1456+x=687x6
1456+x=4122
x=4122-1456
x=2666
1456 + x : 6 = 678 + 9
1456 + x : 6 = 687
1456 + x = 687 x 6
1456 + x = 4122
x = 4122 - 1456
x = 2666.
1456 + x : 6 = 678 + 9
(1456 + x) :6=687
1456+x=4122
x=4122-1456
x=2666