What is an intuitive explanation of units like $N \cdot m$?
20930
What exactly is a kilogram-meter?
114074
Intuitive/Visual proof that $(1+2+\cdots+n)^2=1^3+2^3+\cdots+n^3$
4340
Why does $1+2+3+\cdots = -\frac{1}{12}$?
4425
Why are integer GCDs positive? [unit normalization of GCDs]
7151
Let $a,m,n \in \mathbf{N}$. Show that if $\gcd(m,n)=1$, then $\gcd(a,mn)=\gcd(a,m)\cdot\gcd(a,n)$.
77799
Determine the set of units $(\Bbb Z/n\Bbb Z)^\times$ for different values of $n$
63965
How can I compute the sum of $ {m\over\gcd(m,n)}$?
115295
Why are the two dot product definitions equal?
62342
$x_1 \cdot \dots \cdot x_n=1 \implies x_1 + \dots + x_n \ge n$
106698
$\mathbb N$ when given the metric $d(m,n)=\frac{1}{m}-\frac{1}{n}$
121311
Simple Harmonic Motion - What are the units for $\omega_0$?
155014
How to justify the definition of summation $s_n=\sum_{i=1}^n a_i=a_1+\cdots+a_n$?
1394
How do we know that $F = ma$, not $F = k \cdot ma$
99257
Dot Product Intuition
148954
Understanding a statement about equivalent norms ($||\cdot ||_2 \sim||\cdot||_1 $)
65335
A "binomial" generalization of harmonic numbers
51538
Intuition for $\,c\mid a,b \iff c\mid \gcd(a,b)$