a) abcabc + abc = 321642
abc x 1001 + abc = 321321 + 321
-> abc = 321
b) 30abc : abc= 241
abc =125
c)15abc0 : abc =1010
abc = 150
d) 15abc : abc = 121
abc = 125
a) abcabc + abc = 321642
abc x 1001 + abc = 321321 + 321
=> abc = 321
b) 30abc : abc = 241
abc = 125
c) 15abc0 : abc = 1010
abc = 150
d) 15abc : abc = 121
abc = 125