Răspuns :
a. (2736 - 1589) - (834 - 789) =
= 1147 - 45
= 1102
b. 10234 - 102 = 10132
c. (723 - 659) + (366 + 185) =
= 64 + 551
= 615
Răspuns:
a)2736-1589=1147
834-789=45.
(2736-1589)-(834-789)=1147-45=1102.
c)723-659=64
366+185=551
(723-659)-(366+185)=64+551=615.