Determine the sum of the numbers — task. Maths TNSB Mentoring, Class 10.

Answer variants:

3165

63363

3157

63365

63369

3160

1.

1 + 2 + 3 + ... + 79

\(=\)

2.

1^{2} + 2^{2} + 3^{2} + ... + 57^{2}

\(=\)

Login or Fast registration

Previous theory

Exit to the topic

Did you find an error?