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
c)8000+abc=3618+abcx10+8
8000+abc=3626+abcx10
8000-3626=abcx(10-1)
4374 =abcx9 => 4374:9=486
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
tìm abc :
9abc - abc9 = 4473
abc9 - 5778 = 9abc
abc9+5778=9abc
abc9 + 5778 = 9abc
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
Tìm số abc biết :abc9 + 5778 =9abc
Tìm abc biết
a) abc *9 = 3abc abc8 - 8abc = 522
b)8abc - abc8=3627 8abc - abc8 =5148
c)9abc -abc9 = 4473 abc1 -3105=1abc
