1000.a+1000.67 = 100000
=> 1000.(a+67) = 100000
=> a + 67 = 100
=> a = 33
Vậy a = 33
1000x[a+67] =100000
a+67=100000-1000
a+67=99000
a=99000-67
a=98933
1000 x a + 1000 x 67 = 100000
1000 x a + 1000 x 67 = 100000
1000 x a + 67000 = 100000
1000 x a = 100000 - 67000
1000 x a = 33000
a = 33000 : 1000
a = 33
Suy ra: 1000 x (a + 67) = 100000
-> a + 67 = 100
-> a + 100 -67
-> a =33.Vậy a bằng 33
1000 x a + 1000 x 67 = 100000
1000 x (a + 67) = 100000
a + 67 = 100000 : 1000
a + 67 = 100
a = 100 - 67
a = 33
1000 x a + 1000 x 67 = 100000
1000 x (a + 67) = 100000
a + 67 = 100000 : 1000
a + 67 = 100
a = 100 - 67
a = 33
1000 x a + 1000 x 67 = 100000
1000 x (a + 67) = 100000
a + 67 = 100000 : 1000
a + 67 = 100
a = 100 - 67
a = 33
1000 x a + 1000 x 67 = 100000
1000 x (a + 67) = 100000
a + 67 = 100000 : 1000
a + 67 = 100
a = 100 - 67
a = 33
1000 x a + 1000 x 67 = 100000
1000 x (a + 67) = 100000
a + 67 = 100000 : 1000
a + 67 = 100
a = 100 - 67
a = 33
1000 x a + 1000 x 67 = 100000
1000 x (a + 67) = 100000
a + 67 = 100000 : 1000
a + 67 = 100
a = 100 - 67
a = 33