Enrhifo
210
Ffactor
2\times 3\times 5\times 7
Rhannu
Copïo i clipfwrdd
3+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20
Adio 1 a 2 i gael 3.
6+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20
Adio 3 a 3 i gael 6.
10+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20
Adio 6 a 4 i gael 10.
15+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20
Adio 10 a 5 i gael 15.
21+7+8+9+10+11+12+13+14+15+16+17+18+19+20
Adio 15 a 6 i gael 21.
28+8+9+10+11+12+13+14+15+16+17+18+19+20
Adio 21 a 7 i gael 28.
36+9+10+11+12+13+14+15+16+17+18+19+20
Adio 28 a 8 i gael 36.
45+10+11+12+13+14+15+16+17+18+19+20
Adio 36 a 9 i gael 45.
55+11+12+13+14+15+16+17+18+19+20
Adio 45 a 10 i gael 55.
66+12+13+14+15+16+17+18+19+20
Adio 55 a 11 i gael 66.
78+13+14+15+16+17+18+19+20
Adio 66 a 12 i gael 78.
91+14+15+16+17+18+19+20
Adio 78 a 13 i gael 91.
105+15+16+17+18+19+20
Adio 91 a 14 i gael 105.
120+16+17+18+19+20
Adio 105 a 15 i gael 120.
136+17+18+19+20
Adio 120 a 16 i gael 136.
153+18+19+20
Adio 136 a 17 i gael 153.
171+19+20
Adio 153 a 18 i gael 171.
190+20
Adio 171 a 19 i gael 190.
210
Adio 190 a 20 i gael 210.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometreg
4 \sin \theta \cos \theta = 2 \sin \theta
Hafaliad llinol
y = 3x + 4
Rhifyddeg
699 * 533
Matrics
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Hafaliad ar y pryd
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Gwahaniaethu
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integreiddiad
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}