Jan. 20, 2019, 5:39 p.m.

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tutti - social network

Tutti is the simplest social network on internet. Here you can make friends, create communities, sell things, make surveys, comment and share stuff.

Aug. 27, 2018, 9:24 p.m.

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Dec. 12, 2019, 1:51 a.m.

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There's Always Pi!

March 22, 2018, 1:53 a.m.

Just by determining how circular a given crater is – using pi and the crater’s perimeter and area – planetary geologists can reveal clues about how the crater was formed and the surface that was impacted.

There's Always Pi!

on Frases

Feb. 27, 2020, 9:34 p.m.

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Dec. 30, 2021, 9:06 p.m.

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Dec. 20, 2017, 4:04 p.m.

Photograph

May 27, 2020, 7:32 a.m.

India allahabad utter prades

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March 21, 2020, 10:37 a.m.

March 17, 2020, 9:53 a.m.

Feb. 10, 2020, 12:49 a.m.

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