618
A)9abc =4473+abc9
9000+abc=4473+abcx10+9
9000 =4482+abcx(10-1)
9000-4482=abcx9
4518 =abcx9 => 4518:9=502
b) abcx10+9+5778=9000+abc
abcx10+5787 =9000+abc
abcx(10-1) =9000-5787
abcx9 =3213 => 3213:9=357
Tìm abc , biết: abc9 + 5778 = 9abc
Tìm abc , biết: abc9 + 5778 = 9abc
c1.abcx25=9abc
c2.abc9+5778=9abc
c3.2abc+2214=abc2
tim abc
a) 9abc-abc9 =4473
b)abc9+5778=9abc
c) 8abc-abc8 =3618
Tìm số abc biết :abc9 + 5778 =9abc
abc9+5778=9abc
abc9 + 5778 = 9abc
abc9+5778=9abc
tìm số abc
Tìm số abc biết :
abc + ab,c = 184,8
abc2 - 2abc = 2142
abc9 + 5778 = 9abc
abc x 17 = 2abc
8abc - abc8 =3618
abc1 - 3105 = 1abc
abc x 9 = 6abc
2abc + 2214 = abc2
abc8 - 8abc = 522
