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Calculati a)1+2+3+...+2005
b)0+1+2+3+...+9999 URGENT!! VA ROG FRUMOS!!


Răspuns :

a) 2005*2006:2=2005*1003=2011015
b) 9999*10000:2=9999*5000=49995000
Sper  ca  te-am  ajutat.
2006 ori 668=1340008
9999 ori 9999 : 4= 24995000