Răspuns :
x : 10 - 100 = 100 : 10 ;
x : 10 - 100 = 10;
x : 10 = 10 + 100;
x : 10 = 110;
x = 110 x 10 ;
x = 1100
x : 10 - 100 = 10;
x : 10 = 10 + 100;
x : 10 = 110;
x = 110 x 10 ;
x = 1100