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calculeaza e)1 pe 201 +2pe 201+.....201pe201
URGENT!!!!DAU coroana


Răspuns :

1/201 + 2/201 + ... + 201/201 =     = (1 + 2 + ... + 201)/201     = 201×202÷2/201     = 20301/201     = 101

e)

1 / 201  + 2 / 201 + 3 / 201 + ....... + 201 / 201 = 101

= ( 1 + 2 + 3 + ..........+ 201 ) / 201 =

= (201 × 202)  / (201 x 2 ) =

-= 101