8 / 4 (4-2) = ? What is answer?
6682
How to correctly do a division using a slash?
43647
How to say fractions like "7/8" or "546/823"
67015
Solve $x^2 + 8 = 3^n$, where $x\in\mathbb N$.
148906
Finding integers $m,n$ such that $(m-n)^2=4mn/(m+n-1)$
13789
solve $T(n)=T(n-1)+T(\frac{n}{2})+n$
28027
Find $\sum_{k=0}^{n}4^k \binom{n}{k}$
27969
Why does $\frac{1}{x} < 4$ have two answers?
78564
Prove: $D_{8n} \not\cong D_{4n} \times Z_2$.
105888
Find the number $b$ such that the line $y = b$ divides the region bounded by the curves $y = x^2$ and $y = 4$ into two regions with equal area.
127901
If $x^2+y^2 \equiv 0\pmod{p}$, then $p \equiv 1 \pmod{4}$
139932
What is the square root of $i^4$?
133937
Find the four digit number?
120301
How to prove $(-3) \times (-4) = 12$?
143194
How would you solve the diophantine $x^4+y^4=2z^2$
72511
If $n$ is an odd natural number, then $8$ divides $n^{2}-1$
122878
How can I prove that $2/9<x^4+y^4<8$?
145941
Solve recurrence equation $T(n)=2T(n-1)-4$