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Aratati ca 1/10+1/11+1/12+... 1/36>3/4

Răspuns :

1/10>1/36
1/11>1/36
1/12>1/36
.....
1/35>1/36
--------------- +
=> 1/10+1/11+1/12+...+1/36>27*1/36=3/4