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LLLhk

i don't do questions everyday because now it is getting unactive but now that you are trying the problems I will try my best to do 1 question 1 day. (I try my best to do exactly when the new day starts at GMT time, as I wake up at 7:30 a.m. HKT and normally post at 8:00 a.m. HKT, which converts to exactly the start of a day in GMT time)

Sammy_Thechessboy

ok thanks

Sammy_Thechessboy

233168 I think

LLLhk

YAY!

LLLhk

You got it!

LLLhk

5 points to you

LLLhk

1002*333/2+1000*199/2-1005*66/2=233168

LLLhk

https://projecteuler.net/overview=001

LLLhk

Day 5 problem coming:

Find the sum of the first 1000 cubes.

LLLhk

As in cube numbers

LLLhk

positive

KovenFan
LLLhk wrote:

Day 5 problem coming:

Find the sum of the first 1000 cubes.

Sum of the first 1000 cubes = [1000(1000+1)/2]² ≈2.5050025x10¹¹

LLLhk

good job!

LLLhk

From ARML 2020 Local that I took today:

TIEBREAKER PROBLEM

If triangle ABC has that AB=3, BC=5, and CA=7, and P is in the interior of triangle ABC such angle APB=angle BPC=angle CPA=120 degrees, then find PA+PB+PC

LLLhk

this is daily question

LLLhk

Hint: 3 cosine theorems and area

LLLhk

ok i will reveal the answer( i think i am correct )

LLLhk

nobody?

ChessManIsMe

I thought ARML was cancelled? Unless ARML Local is different from ARML

ChessManIsMe

Anyways, I can't even solve #7-#10 let alone the tiebreakers