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1.Aplica asociativitatea si comutativitatea in adunarile:
1. 1+5+33+867+995+1099
2.8888+99+112+101+666
Va rog mult!!


Răspuns :

1+1099+5+995+33+867

=1100+1000+900

=2000+1000

=3000


8888+112+99+101+666

=9000+200+666

=9200+666

=9866

1.1100+100+900(1+1099+5+995+33+867)
2100
2.9000+200+877(8888+112+99+101+666)
1077