id
int64
-30,985
55.9k
text
stringlengths
5
437k
9,347
\sin{2^{n + 1}} = 2 \cdot \cos{2^n} \cdot \sin{2^n}
234
D^2 \cdot D := D \cdot D^2
53,286
1 = (-1)^2
12,737
(y + 1) (4y^2 - 4y + 3\left(-1\right)) = 4(y^2 - y - 3/4) \left(y + 1\right)
11,860
\frac{H}{r + 1} + \frac{A}{(-1) + r} = \frac{1}{((-1) + r)*(1 + r)} \Rightarrow 1 = r*(H + A) + A - H
10,431
x^{k + (-1)} = \dfrac{d\cdot x^{k + (-1)}}{d + x} + \frac{x}{d + x}\cdot x^{k + (-1)} = \dfrac{d}{d + x}\cdot x^{k + (-1)}
-20,715
\frac{6 + 27 m}{m \cdot 24} = (2 + m \cdot 9)/\left(8m\right) \cdot 3/3
5,147
(x \cdot 3 + 1)^4 \cdot (18 \cdot x + 1) = (1 + 3 \cdot x)^4 \cdot (15 \cdot x + 1 + 3 \cdot x)
21,038
\left(2\cdot (2\cdot (-1) + z) + z + 1 - z + 3\cdot (z + \left(-1\right)) = z + 2 \Rightarrow z + 2 = 5\cdot z + 6\cdot (-1)\right) \Rightarrow z = 2
30,781
b_1 + d + b_2 = d + b_2 + b_1
-4,082
\frac{1}{3}\cdot 2\cdot y^4 = \tfrac{2\cdot y^4}{3}\cdot 1
3,858
1728 = (2 \sqrt{3})^6
-19,079
\frac{1}{15}2 = \frac{B_t}{100 \pi}*100 \pi = B_t
-262
\dfrac{8!}{(3 \cdot (-1) + 8)!} = 8 \cdot 7 \cdot 6
9,121
-\tfrac{b}{f_2 \cdot 2} = -\frac{1}{f_2 \cdot 4} \cdot (-4 \cdot f_1 \cdot f_2 + b^2) \implies 4 \cdot f_2 \cdot f_1 = b \cdot b - 2 \cdot b = (b + (-1))^2 + (-1) \geq -1
-7,738
\dfrac{1}{-4 - 4\cdot i}\cdot (4 - 4\cdot i)\cdot \frac{4\cdot i - 4}{-4 + 4\cdot i} = \dfrac{4 - 4\cdot i}{-4\cdot i - 4}
5,912
10^2 \cdot 10 \cdot 10^2 \cdot 10 = 10^6
7,780
2*y*x + x^2 + y^2 = \left(y + x\right)^2
27,626
\int\limits_{-1}^3 f\,dx = \int\limits_{-5}^{-1} f\,dx
35,587
(2(0+1))^n=2^n
7,412
4 \cdot z^4 + 4 \cdot z^3 + z \cdot z = 4 \cdot z^4 + 2 \cdot z^3 + z^3 \cdot 2 + z^2
-1,079
6/63 = \frac{6\cdot \frac{1}{3}}{63\cdot 1/3} = \dfrac{2}{21}
1,593
3 = |i \times b + a| \Rightarrow \sqrt{a^2 + b^2} = 3
-406
e^{2 \cdot \pi \cdot i} = e^{\pi \cdot i} \cdot e^{\pi \cdot i} = (-1)^2 = 1
-10,611
-\dfrac{1}{15\cdot \left(-1\right) + 5\cdot r}\cdot 30 = 5/5\cdot (-\frac{1}{r + 3\cdot (-1)}\cdot 6)
6,121
z = \frac{c_2}{w} + c_1 w \Rightarrow 0 = w^2 c_1 - wz + c_2
10,873
\tfrac35 \cdot \frac35 = 9/25
33,257
120 = 2^3\times 3\times 5
25,910
b^2 + a^2 = \sqrt{(a^2 - b^2)^2 + (2 \cdot a \cdot b)^2} = 25 \implies b^2 = 16\wedge a^2 = 9
27,173
\dfrac{1}{\dfrac{1}{y^2}} = y^2 = \frac{1}{1} \cdot y \cdot y
10,530
\frac{1}{2^{1 + x}}\cdot (x + 1)! = \left(x + 1\right)/2\cdot \dfrac{1}{2^x}\cdot x!
31,305
2^{\frac62} = 8
-11,587
-4 - i*2 = -4 + 0 \left(-1\right) - 2 i
8,230
K = (d \times K)^x = d^x \times K
3,323
z\cdot 6 - y\cdot 4 = z\cdot 6 - y\cdot 3 - y
-5,694
\frac{1}{z \cdot z + 8z + 7}2z = \frac{2z}{\left(z + 1\right) (7 + z)}
10,010
d\cdot d\cdot h = d\cdot d\cdot h
-11,515
i \cdot 13 - 3 + 12 = 13 \cdot i + 9
1,443
c/d + 1 = \tfrac1d(c + d)
13,610
2^{5/12} = 1.334839 \cdot \dots \approx \frac{1}{3} \cdot 4
-7,766
\frac{-3*i - 3}{3 + 3*i} = \frac{1}{i*3 + 3}*(-3 - i*3)*\frac{-i*3 + 3}{3 - 3*i}
23,870
3z + 1 = (1 + (z + 4)^{\frac{1}{2}})^2 = 1 + 2(z + 4)^{1 / 2} + z + 4
-22,840
\frac{16}{20} = \frac{4\cdot 4}{4\cdot 5}
8,123
n^2 * n^2 * n^2 = n^6
20,697
\operatorname{acos}(\cos(-\operatorname{acos}(t) + \pi)) = \operatorname{acos}(-t) \Rightarrow \operatorname{acos}(-t) = \pi - \operatorname{acos}(t)
-3,021
\sqrt{2}*\sqrt{25} - \sqrt{2}*\sqrt{4} = 5*\sqrt{2} - 2*\sqrt{2}
25,235
0.5 + 0*0.5 = 1/2
23,611
6 + 8\cdot n = 2\cdot (3 + 4\cdot n)
30,462
\operatorname{E}(X^2) = \operatorname{E}((X + 1)^1) = \operatorname{E}(X + 1)
-7,534
\frac{1}{3 - i*5}*\left(-i*19 - 9\right) = \frac{3 + 5*i}{3 + 5*i}*\frac{-9 - i*19}{3 - 5*i}
-20,160
\frac44 \cdot \frac{6}{-y \cdot 3 + 9 \cdot \left(-1\right)} = \frac{24}{36 \cdot (-1) - 12 \cdot y}
-26,397
1/(46656\cdot \tfrac{1}{7776}) = 6^{-6 - -5} = \tfrac16
18,488
y^2 + y + 1 = (-y + 2\cdot \left(-1\right))\cdot (-y + 1) + 3
14,303
15/79\cdot 16/80 = \frac{3}{79}
-26,600
3x * x + 147 \left(-1\right) = 3(x^2 + 49 \left(-1\right)) = 3(x + 7) (x + 7\left(-1\right))
-7,364
2/5 = \frac{\dfrac{4}{5}}{2}1
31,260
C_2 C_1 = \begin{array}{rl}1 & -1\\0 & 1\end{array} = \frac{1}{C_1 C_2}
2,592
xy = \Im{(xy)} = \Im{(yx)} = yx = -x y
32,745
1/35 = 3/7 \cdot 2/6/5
22,061
2 \times a^1 \times x^1 + a^2 \times x^0 + x \times x \times a^0 = \left(a^1 + x^1\right)^2
-19,700
\frac{7}{9}*8 = \dfrac{1}{9}*56
2,442
x^6 + z^6 = (x^2)^3 + \left(z^2\right)^3 = (x^2 + z^2)\cdot (x^4 - x^2\cdot z^2 + z^4)
18,577
4 + 3 < 5 + 6\Longrightarrow 3\cdot 4 \lt 5\cdot 6
24,556
z^6 + (-1) = (z + (-1))*(z^0 + z^5 + z^4 + z^3 + z^2 + z^1)
-18,405
\frac{1}{6*r + r^2}*\left(6 + r^2 + 7*r\right) = \frac{(r + 6)*(1 + r)}{(6 + r)*r}
27,282
\pi/3 = -\dfrac{7}{12} \cdot \pi + 11 \cdot \pi/12
10,168
\frac{1}{42} + \frac{1}{42} + \frac{1}{42} + \dfrac{1}{42} + \frac{1}{42} + 1/42 + \frac{1}{42} = 7/42 = \tfrac16 \approx 0.167
30,226
y/\|y\| \cdot \|y\| = y
25,466
(T \cdot T)^2 = T^4 = T^3 \cdot T = T^2 \cdot T = T^3 = T^2
40,349
N + 4 = 3 + N + 1
14,213
{10 \choose 6}*2 = {12 \choose 7} - {10 \choose 5} - {10 \choose 3}
834
3 \cdot (n \cdot 7 + m \cdot 5) = n \cdot 21 + 15 \cdot m
22,437
2 + n + 3\cdot (-1) = (-1) + n
7,739
6*y + z = 5 \Rightarrow z = 5 - 6*y
23,147
-4*i = 4*(\cos\left(-\frac12*\pi\right) + i*\sin(-\frac12*\pi)) = -4*i
27,146
\sin{\dfrac{m}{x} \cdot \pi} = \operatorname{im}{\left(y\right)} \Rightarrow y = e^{i \cdot m \cdot \pi/x}
32,146
150/255 = \frac{1}{17}10
23,689
x^{-w} = \frac{1}{x^w}
-3,852
q^2*2/7 = q^2*\dfrac27
10,755
f\cdot x + \left(f - x\right)^2 = x \cdot x + f \cdot f - x\cdot f
35,281
5*\frac{1}{36}16 - 5*\dfrac{1}{36}20 = -\frac{20}{36} = -\frac{1}{9}5
13,812
\sin{\theta} = \frac{\tan{\theta/2}*2}{1 + \tan^2{\tfrac{\theta}{2}}}*1
18,258
8*x*y = \left(x + 2*y\right)^2 - (x - 2*y)^2 = 1 - \left(x - 2*y\right) * \left(x - 2*y\right)
898
\left(-(-Y + C) * (-Y + C) + (C + Y)^2\right)/4 = C*Y
39,025
-l = l \Rightarrow l = 0
28,047
6 = \frac{4}{2} \cdot 3
-20,147
\frac{7 - 3m}{-3m + 7} \cdot \dfrac{3}{7} = \frac{21 - 9m}{49 - m \cdot 21}
21,273
31 = 961^{1 / 2}
25,522
2\cdot g_2\cdot g_1 + g_1 \cdot g_1 + g_2 \cdot g_2 = (g_1 + g_2)^2
23,839
2*(\frac{8}{3} + \tfrac43) = 8 = 2^3
15,023
\frac{1}{-y \cdot y + x^2}\cdot (x - y) = \frac{1}{x + y}
-15,945
\dfrac{1}{10} \cdot 17 = 5 \cdot \frac{1}{10} \cdot 7 - \frac{1}{10} \cdot 3 \cdot 6
-2,670
3^{\dfrac{1}{2}} + 75^{1 / 2} = 3^{\frac{1}{2}} + (25*3)^{1 / 2}
46,818
7 \cdot 8 \cdot 9 \cdot 10 = 7!
19,063
\tfrac{1}{(-x + w)^2} = \frac{1}{-x + w}
31,793
y^3 + x^3 = (x + y)\cdot (x^2 - y\cdot x + y^2)
3,257
(D^2 + D\cdot 5 + 4)\cdot x = 4\cdot x + x\cdot D^2 + 5\cdot x\cdot D
4,796
(b\cdot \frac{x}{b})^2 = b\cdot x\cdot b\cdot x/b/b = b\cdot x^2/b
33,300
a = \left(a^2\right)^{1 / 2} \leq \frac12*a^2
30,840
5^2\cdot 3^2\cdot 2^5 = 7200