arturfetahu

7 Questions
14 Answers

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Just a new post!

Hey guys! Hope you are all ok!

I got one question. Why is everyone who posts questions here a guest? Like "ok" I get it , they have questions but I dont understand , that how do they post if they are guests? I couldn't write read more ..

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arturfetahu Feb 8, 2023

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Hello!

Is it me or did Chpill really leave from web2.0calc ?

arturfetahu Oct 25, 2022

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I need some help with this one

If x/a = y/b = z/c , a + b + c = 1 ; Prove that xy + yz + zx = 0 .

arturfetahu Oct 8, 2022

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Hard question

From the vertex A of the base of a right-angled triangle ABC is constructed the bisector of the angle CAB which intersects the side BC at point D. The point E is at half of the side AC (E E AC). If the angle at the vertex is 36º, then find the measure of read more ..

arturfetahu Mar 13, 2022

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Chphil!!

What is the sum of the digits of the decimal representation of 2^2005 x 5^2007 x 3?

arturfetahu Jan 17, 2022

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HELP!! URGENT!!

Find the units digit of $16^{17} \times 17^{18} \times 18^{19}$.

arturfetahu Nov 25, 2021