What is $1 \div 2 \times 2$?
140086
Does $3-4+1$ equal $0$ or $-2$.. or maybe $2$?
4517
Showing a $2\times2$ matrix is invertible
121880
How to show that $|D_{2n}| = 2n$ via the presentation?
110444
Finding out the number of divisors
19449
What is $48\div2(9+3)$?
35777
$\mathbb{R}[X,Y]/(Y-X^2,Y+X)\cong_\text{Ring} \mathbb{R}\times \mathbb{R}$
113329
Let $S=\{1,2,3,4,\dotsc,N\}$ and $X=\{ f: S \rightarrow S \mid x < y \Rightarrow f(x)\leqslant f(y)\}$. Then $|X|$ is equal to what?
53327
$C_2 \times C_2$ and $C_4$
68915
What are the units in $\mathbb{Z}[\root 3 \of 2]$?
125702
There is a square $Q$ consisting of $(0,0), (2,0), (0,2), (2,2)$
79274
$1=2$ | Continued fraction fallacy
121052
Where is the mistake? $-1=(-1)^{2/2}=\left(\left (-1\right)\displaystyle ^2\right)^{1/2}=1^{1/2}=\sqrt 1=1$
26861
$a+b=c \times d$ and $a\times b = c + d$
129920
Is there any formula for number of divisors of $a \times b$?
116780
product is twice a square
149553
Is it always true that $(A_1 \cup A_2) \times (B_1 \cup B_2)=(A_1\times B_1) \cup (A_2 \times B_2)$
78556
Why isn't [1,2,3] equal to itself in Javascript?