Răspuns :
(246 155+34 866)-x=156 114
281021-x= 156114
x=281021-156 114
x=124 907
(246155+35866)-156114=281021-156114=124907
proba
(346155+35866)-124907=156114
281021-124907=156114
124907+156114=281021
281021-x= 156114
x=281021-156 114
x=124 907
(246155+35866)-156114=281021-156114=124907
proba
(346155+35866)-124907=156114
281021-124907=156114
124907+156114=281021