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M0nSt3rL3GNdaRy
a fost răspuns

Calculati :1) 1+2+ .... + 100= 2) 1+2+3+ ... + 58 = 3) 1+2+31.. + 200 = ? DAU COROANA VA ROG, E URGENT !!

Răspuns :

CosmoteRo
1) (100x101):2=5050

2).(58x59):2=1711

3).(200x201):2=20100
Icecon2005
sume Gauss
S=[n(n+1)]:2=
unde n este ultimul termen al seriei

1) 1+2+ .... + 100=(100×101):2=5050


2) 1+2+3+ ... + 58 =(58×59):2=1711


3) 1+2+31.. + 200 = (200×201):2=20100

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