a) 276812 + 237188
b) 297531 + 479258
c) 629847 + 288719


(cu proba prin adunare si scradere)


Răspuns :

a) 276812 + 237188 =514000
514000-237188=276812


b) 297531 + 479258=776789
776789-479258=297531

c) 629847 + 288719=918566
918566-288719=629847