id
int64
-30,985
55.9k
text
stringlengths
5
437k
23,505
\tan(2 x) = \frac{\sin(x \cdot 2)}{\cos(x \cdot 2)}
15,286
(-1) + x * x = (x + (-1))*(x + 1)
3,684
((-1)\cdot (-1))^{1 / 2} = \left((-1) \cdot (-1)\right)^{\frac{1}{2}} = |-1| = 1
3,242
s\cdot i\cdot x\cdot 2\cdot \frac12\cdot r = s\cdot r\cdot i\cdot x
31,592
0 = n^2 + 5 \cdot n + 12 \cdot (-1) \Rightarrow n^3 = 60 \cdot (-1) + n \cdot 37
37,242
8*6*5 = 240
13,058
8 + 2 \cdot y = 104 \Rightarrow y = \frac12 \cdot (104 + 8 \cdot \left(-1\right)) = 48
3,267
\left(y + 2\right) \cdot (y + 3) = 6 + y^2 + 5 \cdot y
14,823
t_i \cdot t_i = t_i^2\cdot \frac33
4,378
5 + z*2 = 2z + 2 + 3
13,564
Q - z = j \cdot s \Rightarrow j = \frac1s \cdot (-z + Q)
22,471
\frac{1}{x + 2} \cdot \left(2 \cdot x^4 + 1\right) = 0 + \tfrac{2 \cdot x^4 + 1}{x + 2}
17,348
\left(1 + m\right)! = \left(m + 1\right) \cdot m \cdot (m + (-1)) \cdot \left(2 \cdot (-1) + m\right) \cdot ... \cdot 2
26,531
d^g = \frac{1}{d^{-g}}
-3,561
\dfrac{6q}{12q^2} = \dfrac{6}{12} \cdot \dfrac{q}{q^2}
20,760
\cos(-\theta\times 2 + \frac{\pi}{2}) = \sin(2\times \theta)
4,973
(2 \cdot (-1) + y) \cdot (y + 2) = 4 \cdot \left(-1\right) + y^2
8,283
a*g = 1/(\dfrac{1}{a*g}) = \frac{1}{1/a*1/g} = 1/(\frac{1}{g}*1/a) = g*a
27,985
|y + (-1)| = |1 - y| \geq |1| - |y| = 1 - |y| rightarrow 3/4 \leq |y|
17,570
-\frac{1}{k + 1}\cdot \frac{1}{2} + \dfrac{1}{k + (-1)}\cdot 1/2 = \frac{1}{((-1) + k)\cdot (1 + k)}
-17,282
\frac{76.7}{100} = 0.767
32,920
\frac{1}{5}\cdot 300\cdot 3 = 180
22,756
|y_1|/|y_2| = |\frac{1}{y_2}\cdot y_1|
-1,700
\pi/2 + \pi/4 = \pi \cdot 3/4
27,066
(z - y)\cdot (z^{\left(-1\right) + n} + \dots + y^{n + (-1)}) = z^n - y^n
31,502
1 + x = \frac{1}{x}\left(x + x^2\right)
28,870
A\cdot D = B\cdot D rightarrow A\cdot B = 2\cdot A\cdot D
12,466
\tfrac{z_n}{1 + z_n} = 1 - \tfrac{1}{1 + z_n}
-1,975
\frac{1}{3}\pi + \frac{7}{4}\pi = \frac{25}{12}\pi
-20,904
\frac{90*(-1) + n*9}{9 - 63*n} = 9/9*\frac{10*(-1) + n}{-n*7 + 1}
-10,539
-\frac{10}{15 + q \cdot 9} \cdot 4/4 = -\frac{40}{60 + 36 \cdot q}
16,197
a \times a - b^2 = (a + b)\times \left(a - b\right)
3,341
2 \cdot 999 = 1998
-23,492
\frac18\cdot 3\cdot \frac{4}{9} = \frac16
30,562
2\sqrt{3}/3 = 2/(\sqrt{3})
37,625
52\cdot 144 + 144^2 = 168^2
8,062
\sin{6*x}/2 = \sin{x*3}*\cos{x*3}
28,662
\frac1w = (M\cdot x + l\cdot w)/w = M\cdot x/w + l
13,221
|a_n - a_{n + k} + b_n - b_{k + n}| = |a_n + b_n - b_{k + n} + a_{n + k}|
28,946
1/B = Z \cdot C \implies \frac{1}{Z \cdot B} = C
-5,372
2.03 \cdot 10 = \frac{2.03}{1000} \cdot 10 = \frac{1}{100} \cdot 2.03
-27,521
2\cdot 3\cdot 5\cdot 7 = 210
31,163
4 \cdot x^2 = (2 \cdot x)^2 = 2 \cdot 2 \cdot x \cdot x
10,604
\sqrt{-x^2 + 1} = \sin(\arccos{x})
13,610
2^{5/12} = 1.334839\cdot \dots \approx 4/3
6,441
3\tan^2(x) = -3 + 3\sec^2(x)
11,164
\mathbb{E}[W_1] + \mathbb{E}[W_2] + \dots + \mathbb{E}[W_f] = \mathbb{E}[W_1 + W_2 + \dots + W_f]
14,279
\operatorname{acos}\left(\cos{0}\right) = \operatorname{acos}(\cos{\pi*2})
9,744
16/3 = -\dfrac23*((1 + (-1))^3 - \left(1 + 1\right) * (1 + 1)^2)
-9,122
-s*2*2*5 = -s*20
7,064
4 \times (k + 1) \times (k + 1) + (-1) = (2 \times k + 1) \times \left(2 \times k + 3\right) = \left(2 \times k + 1\right) \times (2 \times (k + 1) + 1)
20,466
\frac{1}{\frac{1}{\frac{1}{\frac{1}{25}}}} = 5^{-2(-(-1) (-1))} = 5^2 = 25
39,055
j \cdot j^2 + 3 \cdot j^2 + 3 \cdot j + 1 = (j + 1)^3
3,684
((-1) \cdot (-1))^{\frac{1}{2}} = ((-1)^2)^{\dfrac{1}{2}} = |-1| = 1
21,642
S \cdot X = S \cdot X
4,014
24/23 = 1 + \frac{1}{23}
-1,650
\pi\cdot 9/4 = \pi \tfrac{1}{12}11 + \pi \frac{1}{3}4
10,838
4 = 2 t t\cdot (1 - 1/7) = 12/7 t^2
26,483
2*x - x^2 = 1 - ((-1) + x)^2 \Rightarrow \sqrt{1 - (x + (-1))^2} = \sqrt{2*x - x^2}
3,949
\tfrac{1}{-x + (x^2 + 1)^{1/2}} = (x \cdot x + 1)^{1/2} + x
27,399
(h - (g \times h \times 2)^{1/2} + g) \times (h + (g \times h \times 2)^{1/2} + g) = g \times g + h^2
7,816
x + z = -1 \implies z \cdot x = -2004
-20,605
\frac{q \cdot 28 + 4}{28 \cdot \left(-1\right) - 12 \cdot q} = \frac{1 + 7 \cdot q}{7 \cdot \left(-1\right) - q \cdot 3} \cdot 4/4
-3,346
176^{1 / 2} + 44^{\frac{1}{2}} = (16*11)^{1 / 2} + \left(4*11\right)^{1 / 2}
21,670
\mathbb{E}(X) = 0 \Rightarrow \mathbb{E}(X^2) = 0
35,525
1 + 2^{10500} + 2^{5251} = (1 + 2^{5250}) \cdot (1 + 2^{5250})
9,029
(z_2 + z_1)^2 = z_2^2 + 2z_2 z_1 + z_1^2
-22,863
21\times 2/(21\times 3) = \tfrac{1}{63}\times 42
-7,042
2/12 \cdot \dfrac{4}{11} = 2/33
-17,752
8 = 50*(-1) + 58
29,234
\tfrac{z^2}{2*(-1) + z} = z + 2 + \frac{1}{z + 2*(-1)}*4
26,924
39 = \left(-1\right) + 10\times 4
25,658
\frac{E \cdot L}{A \cdot E} = \tan(A \cdot E \cdot L) rightarrow \arctan(\frac{E \cdot L}{E \cdot A}) = L \cdot A \cdot E
-1,382
-20/54 = \frac{(-20)*1/2}{54*\frac12} = -10/27
12,109
(1 + k)^3 - k^3 = 3 \cdot k^2 + k \cdot 3 + 1
-485
e^{10*\frac{11*i*\pi}{12}} = (e^{\frac{11*\pi*i}{12}})^{10}
-10,609
\frac144*\frac{3}{3z + 2} = \frac{1}{12 z + 8}12
34,509
2\cdot 1+2\cdot 4+2\cdot 9=28
-1,669
-\pi\cdot \frac34 = -\tfrac{19}{12}\cdot \pi + \frac56\cdot \pi
1,453
1638 = 2*3^2*7*13 = (1^2 + 1^2)*3^2 (2^2 + 1^2 + 1^2 + 1^2) \left(3^2 + 2^2\right)
38,386
|z^2 + 1| = z \cdot z + 1 = |z|^2 + 1
530
w_2 F = -iw_1 F \Rightarrow Fw_2 = Fw_1 = 0
36,574
\binom{r + 3}{r} = \binom{r + 3}{3} = (r + 1)*\left(r + 2\right)*(r + 3)/3!
41,120
\left(\binom{21}{4} + \binom{20}{4}\right)*60 = 5*4*3*\binom{21}{4} + \binom{20}{4}*\binom{3}{2}*5*4
27,031
c^{x + 1} \coloneqq c\cdot c^x
10,271
{2\cdot x \choose x + (-1)} = \frac{(2\cdot x)!}{(x + (-1))!\cdot (x + 1)!} = \frac{1}{x + 1}\cdot x\cdot {2\cdot x \choose x}
30,864
(\psi + (-1)) \cdot (\psi + (-1)) + 1 \cdot 1 = \psi^2 - 2\psi + 2
36,127
(6^{\frac{1}{2}} + 3)/6 = \frac{1}{6} \cdot 6^{1 / 2} + 1/2
12,680
\frac{1}{(x + 1)*2} + \frac{1}{2*(-x + 1)} = \tfrac{1}{1 - x^2}
13,132
(z^2 + v^2) \cdot (x^2 + y^2) = (z \cdot x + v \cdot y) \cdot (z \cdot x + v \cdot y) + (-z \cdot y + v \cdot x) \cdot (-z \cdot y + v \cdot x)
41,820
7^2 + 7\cdot 11 + 11 \cdot 11 = 13\cdot \left(2^2 + 2\cdot 3 + 3^2\right) = 13\cdot 19
17,775
(y + 3\cdot (-1))\cdot (4\cdot (-1) + y)\cdot (y + 5\cdot (-1)) = 60\cdot \left(-1\right) + y^3 - 12\cdot y \cdot y + 47\cdot y
27,678
\frac{4}{10} = \dfrac{2}{5}
30,551
{-1/2 \choose 2} = \frac{1}{8}\cdot 3
13,458
-{31 \choose 2}\cdot {3 \choose 1} + {82 \choose 2} = 1926
174
\left(1 + y\right) (y + \left(-1\right)) = \left(-1\right) + y * y
-4,295
\frac{40}{36} \cdot \frac{x^2}{x^3} = \dfrac{40 \cdot x^2}{36 \cdot x^3}
38,326
\tan^2(\pi/6) = \dfrac{1}{3}
-19,510
5\cdot 1/3/(\frac13\cdot 2) = \dfrac{1}{3}\cdot 5\cdot \frac{3}{2}
24,004
\theta^2 \theta^2 = \theta \theta^3 = 3\theta^2 - \theta