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Mathematics
QuantumWalnut's user avatar
QuantumWalnut's user avatar
QuantumWalnut's user avatar
QuantumWalnut
  • Member for 6 years, 5 months
  • Last seen more than 2 years ago
  • Hong Kong
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Top posts
question
3
For positive integers between 999 and 100 inclusive, how many contain the digit 5?
Nov 1, 2018
question
3
Number of permutations of the word "ABCDEFGHI"
Nov 1, 2018
question
1
Expressing "Every even number is the difference of two primes" in symbols
Oct 4, 2018
question
1
Finding probability of drawing red and blue balls from two boxes.
Nov 2, 2018
question
1
Finding the expected value when there are too much cases to consider
Nov 2, 2018
question
1
How many Hamiltonian cycles are there in a complete graph if we discount the cycle's orientation or starting point?
Nov 29, 2018
question
0
How many region does a planar simple graph made of triangle splits the plane into?
Nov 29, 2018
question
0
How many Hamiltonian cycles are there in a complete graph that must contain certain edges?
Nov 30, 2018
question
0
How many Hamiltonian cycles in a complete graph cover edges that don't share vertices?
Nov 30, 2018
question
0
Explaining the proof of Fibonacci number using inductive reasoning
Dec 9, 2018
Top network posts
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91
Why are the United States government as well as many others supporting Taiwanese sovereignty despite their own anti secession laws?
41
Why did (most of) the European NATO members support Ukraine's aspirations to joining NATO?
31
What drives the appeal and nostalgia of Margaret Thatcher within UK Conservative Party?
27
Why exactly is discrimination (between foreigners) by citizenship considered normal?
26
What exactly did former Taiwan president Ma say in his "strikingly political speech" in Nanjing? Need sufficiently nuanced translation of whole thing