Răspuns :
1.x=75-37
x=38
2.x=93+47
x=140
3.x=11111-4275
x=6836
4.x=467-237
x= 230
x=38
2.x=93+47
x=140
3.x=11111-4275
x=6836
4.x=467-237
x= 230
x+37=75
x=75-37
x=38
x-47 =93
x=93+47
x=140
4275+ x= 11111
x=11111-4275
x=6836
457- x = 237
x=457-237
x=220
x=75-37
x=38
x-47 =93
x=93+47
x=140
4275+ x= 11111
x=11111-4275
x=6836
457- x = 237
x=457-237
x=220