Expressing every natural number as a difference of two numbers.
130542
Every natural number $n$ can be written as $n=s-t$ with $\omega(s)=\omega(t)$
20091
Every continuous function is the difference of two nonnegative continuous functions
31089
Differentiating expressions with division in them
123267
Proving that even numbers equal the sum of two odd numbers.
139350
Given two coprime integers, find multiples of them that differ by 1
153769
Numbers that can be expressed as the sum of two cubes in exactly two different ways
48850
Consecutive composite numbers
6803
Expression for power of a natural number in terms of binomial coefficients
130149
Computablility of a real number
124890
Divisibility within a block of natural numbers
90068
Calculating the number of times a digit is written when given two numbers
129325
How to add two strings as if they were numbers?
39737
Given a series of numbers, generate new numbers that are "similar" to the original numbers
24601
Proving that a natural number made entirely of 6's and 0's is not a square.
33705
Is $0$ a natural number?
102307
Discrete Math Proofs Involving Real Numbers
104987
Equivalence Relation with dividing x and y integers