Question

tim so abc + 1133 = abc8 /

Answer 1

abc + 1133 = abc8   hay 

abc + 1133 = abc x 10 + 8

1133 = abc x 9 + 8

abc x 9 = 1133 – 8 =1125

abc = 1125 : 9

abc = 125

Answer 2

abc+1133=abc8

abc+1133=abcx10+8

abcx10-abc+8=1133

abcx(10-1)=1133-8

abcx9=1125

abc=1125:9

abc=125

tick mình đi!!!!mình chắc chắn đúng luôn!!!!!!!!