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=>(8000+abc)-(abc*10+8)=5148
=>(8000-8)-(abc*10-abc)=5148
=>7992-abc*9=5148
=>abc*9=7992-5149
=>abc*9=2844
=>abc=2844:9
=>abc=316
8abc - abc8 = 5148
8abc -abc8 = 5148
8abc - abc8 = 5148
Tìm abc biết
a) abc *9 = 3abc abc8 - 8abc = 522
b)8abc - abc8=3627 8abc - abc8 =5148
c)9abc -abc9 = 4473 abc1 -3105=1abc
abc8 - 8abc =522
abc8+5778=8abc
abc8 - 8abc = 522
abc8+5778=8abc
8abc -abc8=5418