- Primer ESO (12 anys) 100
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Quart ESO (15 anys) 90
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Segon batxillerat (17 anys) 80
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Àlgebra Lineal 15
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Geometria en l'espai 55
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Equacions de la recta i del pla 8
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
Eq. general del pla, donats P, Q, R
Eq. general del pla, donats P, Q, R (no D)
Eq. general del pla, donats P, u i v
Eq. general del pla, donats P, u i v (2)
Equació vectorial de la recta P,Q
Equació vectorial de la recta P+d
triar equació implicita de la recta P i Q
triar equació implicita de la recta P i Q (2)
- Posició relativa de 3 plans 14
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Posicions relatives de dos plans 6
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Posicions relatives de dues rectes 16
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Problemes de càlcul de rectes i plans (no mètrics) 1
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Producte escalar, vectorial i mixt 10
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Integrals - SELEC 9
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Primer ESO (12 anys) 100
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Quart ESO (15 anys) 90
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Segon batxillerat (17 anys) 80
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Àlgebra Lineal 15
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Geometria en l'espai 55
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Equacions de la recta i del pla 8
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
Eq. general del pla, donats P, Q, R
Eq. general del pla, donats P, Q, R (no D)
Eq. general del pla, donats P, u i v
Eq. general del pla, donats P, u i v (2)
Equació vectorial de la recta P,Q
Equació vectorial de la recta P+d
triar equació implicita de la recta P i Q
triar equació implicita de la recta P i Q (2)
- Posició relativa de 3 plans 14
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Posicions relatives de dos plans 6
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Posicions relatives de dues rectes 16
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Problemes de càlcul de rectes i plans (no mètrics) 1
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Producte escalar, vectorial i mixt 10
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Integrals - SELEC 9
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Categoria per defecte en Matemàtiques - 4t dESO 491
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Equacions 491
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- biquadrades, sistemes i sistemes NL 8
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Eq. de segon grau 28
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Eq. primer grau 311
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Equacions biquadrades 5
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Problemes 5
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Sistemes equacions lineals (2x2) 20
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Valor numeric d'un polinomi (1r grau) 100
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
$$ \left( 32 - 24 \right) x , x = 10 $$
$$ \left( 50 - 6 \right) x , x = 2 $$
$$ \left( 51 - 49 \right) x , x = 30 $$
$$ x - \left( 18 + 22 \right) , x = 81 $$
$$ x - \left( 93 - 75 \right) , x = 95 $$
$$ x - 20 + 8 , x = 95 $$
$$ x - 31\cdot3 , x = 100 $$
$$ x - 5\cdot5 , x = 65 $$
$$ x - 9\cdot3 , x = 79 $$
$$ x - 9\cdot7 , x = 80 $$
$$ x \left( 44 - 27 \right) , x = 3 $$
$$ x \left( 7 + 4 \right) , x = 5 $$
$$ x + 12 + 53 , x = 9 $$
$$ x + 2 + 3 , x = 90 $$
$$ x + 33 - 57 , x = 38 $$
$$ x + 34 + 2 , x = 23 $$
$$ x + 5 + 3 , x = 67 $$
$$ x \frac{82} {41} , x = 29 $$
$$ \frac{ x - 19} {2} , x = 81 $$
$$ \frac{ x + 56} {4} , x = 36 $$
$$ \frac{ x } {1 + 1} , x = 44 $$
$$ \frac{ x } {1 + 1} , x = 56 $$
$$ \frac{ x } {2} - 35 , x = 94 $$
$$ \frac{ x } {2} + 31 , x = 90 $$
$$ \frac{ x } {25 - 21} , x = 40 $$
$$ \frac{ x } {4} + 6 , x = 60 $$
$$ \frac{ x } {48 - 46} , x = 100 $$
$$ \frac{10\cdot4} { x } , x = 8 $$
$$ \frac{14 x } {2} , x = 5 $$
$$ \frac{20 + 54} { x } , x = 2 $$
$$ \frac{24} {2 x } , x = 2 $$
$$ \frac{33 + 43} { x } , x = 2 $$
$$ \frac{40} { x } + 30 , x = 20 $$
$$ \frac{42 + 56} { x } , x = 2 $$
$$ \frac{54} { x + 9} , x = 9 $$
$$ \frac{54} { x } + 10 , x = 6 $$
$$ \frac{64 - x } {14} , x = 8 $$
$$ \frac{66} {1 + x } , x = 1 $$
$$ \frac{76} {19 x } , x = 2 $$
$$ \frac{84} { x + 1} , x = 1 $$
$$ \frac{9\cdot8} { x } , x = 2 $$
$$ \frac{90} {3} - x , x = 3 $$
$$ 10\cdot9 + x , x = 10 $$
$$ 100 - 15 + x , x = 12 $$
$$ 11 \left( x + 3 \right) , x = 1 $$
$$ 12 + 2 + x , x = 12 $$
$$ 12 + 7 x , x = 8 $$
$$ 12\cdot\frac{ x } {23} , x = 92 $$
$$ 13 + 63 - x , x = 5 $$
$$ 15 \left( 80 - x \right) , x = 77 $$
$$ 15 + 36 - x , x = 5 $$
$$ 17 x - 44 , x = 4 $$
$$ 17\cdot3 + x , x = 30 $$
$$ 18 + 2 x , x = 26 $$
$$ 19 x + 16 , x = 4 $$
$$ 19\cdot\frac{66} { x } , x = 22 $$
$$ 2 \left( x - 31 \right) , x = 48 $$
$$ 2 \left( x + 8 \right) , x = 2 $$
$$ 2 \left( 11 + x \right) , x = 20 $$
$$ 2 + 13 + x , x = 79 $$
$$ 22 + \frac{78} { x } , x = 2 $$
$$ 24 + \frac{ x } {2} , x = 58 $$
$$ 27 + x + 22 , x = 29 $$
$$ 28 + x + 34 , x = 36 $$
$$ 3 \left( x + 15 \right) , x = 8 $$
$$ 32\cdot\frac{ x } {7} , x = 21 $$
$$ 38 + 14 x , x = 2 $$
$$ 4 + x - 10 , x = 14 $$
$$ 4 + 26 - x , x = 19 $$
$$ 4\cdot\frac{ x } {3} , x = 48 $$
$$ 4\cdot2 + x , x = 10 $$
$$ 41\cdot\frac{ x } {16} , x = 32 $$
$$ 42 - \frac{ x } {2} , x = 26 $$
$$ 47 + 3 x , x = 13 $$
$$ 47 + 6 + x , x = 1 $$
$$ 5 \left( 59 - x \right) , x = 53 $$
$$ 5 + 76 + x , x = 8 $$
$$ 53 - \left( 40 - x \right) , x = 30 $$
$$ 54 + 95 - x , x = 84 $$
$$ 56 - 20 + x , x = 37 $$
$$ 59 - x + 76 , x = 36 $$
$$ 6 \left( 1 + x \right) , x = 11 $$
$$ 6 + 15 + x , x = 63 $$
$$ 6 + 17 + x , x = 44 $$
$$ 61 - x + 41 , x = 15 $$
$$ 61 - 56 + x , x = 42 $$
$$ 65 - \left( x - 6 \right) , x = 56 $$
$$ 67 + 20 + x , x = 6 $$
$$ 7 x - 24 , x = 7 $$
$$ 7\cdot11 - x , x = 61 $$
$$ 74 - 3 + x , x = 19 $$
$$ 8 - \left( x - 7 \right) , x = 14 $$
$$ 8\cdot5 - x , x = 27 $$
$$ 85 - \left( 46 - x \right) , x = 17 $$
$$ 88 - 3 x , x = 3 $$
$$ 9 \left( 2 + x \right) , x = 5 $$
$$ 9 x - 18 , x = 3 $$
$$ 93 - 6 x , x = 9 $$
$$ 93 - 9 + x , x = 7 $$
$$ 97 - x + 38 , x = 50 $$
- valor numeric de polinomis (2n grau) 14
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Primer ESO (12 anys) 100
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Quart ESO (15 anys) 90
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Segon batxillerat (17 anys) 80
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Àlgebra Lineal 15
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Geometria en l'espai 55
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Equacions de la recta i del pla 8
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
Eq. general del pla, donats P, Q, R
Eq. general del pla, donats P, Q, R (no D)
Eq. general del pla, donats P, u i v
Eq. general del pla, donats P, u i v (2)
Equació vectorial de la recta P,Q
Equació vectorial de la recta P+d
triar equació implicita de la recta P i Q
triar equació implicita de la recta P i Q (2)
- Posició relativa de 3 plans 14
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Posicions relatives de dos plans 6
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Posicions relatives de dues rectes 16
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Problemes de càlcul de rectes i plans (no mètrics) 1
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Producte escalar, vectorial i mixt 10
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Integrals - SELEC 9
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Categoria per defecte en Matemàtiques - 4t dESO 491
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Equacions 491
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- biquadrades, sistemes i sistemes NL 8
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Eq. de segon grau 28
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Eq. primer grau 311
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Equacions biquadrades 5
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Problemes 5
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Sistemes equacions lineals (2x2) 20
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
- Valor numeric d'un polinomi (1r grau) 100
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)
$$ \left( 32 - 24 \right) x , x = 10 $$
$$ \left( 50 - 6 \right) x , x = 2 $$
$$ \left( 51 - 49 \right) x , x = 30 $$
$$ x - \left( 18 + 22 \right) , x = 81 $$
$$ x - \left( 93 - 75 \right) , x = 95 $$
$$ x - 20 + 8 , x = 95 $$
$$ x - 31\cdot3 , x = 100 $$
$$ x - 5\cdot5 , x = 65 $$
$$ x - 9\cdot3 , x = 79 $$
$$ x - 9\cdot7 , x = 80 $$
$$ x \left( 44 - 27 \right) , x = 3 $$
$$ x \left( 7 + 4 \right) , x = 5 $$
$$ x + 12 + 53 , x = 9 $$
$$ x + 2 + 3 , x = 90 $$
$$ x + 33 - 57 , x = 38 $$
$$ x + 34 + 2 , x = 23 $$
$$ x + 5 + 3 , x = 67 $$
$$ x \frac{82} {41} , x = 29 $$
$$ \frac{ x - 19} {2} , x = 81 $$
$$ \frac{ x + 56} {4} , x = 36 $$
$$ \frac{ x } {1 + 1} , x = 44 $$
$$ \frac{ x } {1 + 1} , x = 56 $$
$$ \frac{ x } {2} - 35 , x = 94 $$
$$ \frac{ x } {2} + 31 , x = 90 $$
$$ \frac{ x } {25 - 21} , x = 40 $$
$$ \frac{ x } {4} + 6 , x = 60 $$
$$ \frac{ x } {48 - 46} , x = 100 $$
$$ \frac{10\cdot4} { x } , x = 8 $$
$$ \frac{14 x } {2} , x = 5 $$
$$ \frac{20 + 54} { x } , x = 2 $$
$$ \frac{24} {2 x } , x = 2 $$
$$ \frac{33 + 43} { x } , x = 2 $$
$$ \frac{40} { x } + 30 , x = 20 $$
$$ \frac{42 + 56} { x } , x = 2 $$
$$ \frac{54} { x + 9} , x = 9 $$
$$ \frac{54} { x } + 10 , x = 6 $$
$$ \frac{64 - x } {14} , x = 8 $$
$$ \frac{66} {1 + x } , x = 1 $$
$$ \frac{76} {19 x } , x = 2 $$
$$ \frac{84} { x + 1} , x = 1 $$
$$ \frac{9\cdot8} { x } , x = 2 $$
$$ \frac{90} {3} - x , x = 3 $$
$$ 10\cdot9 + x , x = 10 $$
$$ 100 - 15 + x , x = 12 $$
$$ 11 \left( x + 3 \right) , x = 1 $$
$$ 12 + 2 + x , x = 12 $$
$$ 12 + 7 x , x = 8 $$
$$ 12\cdot\frac{ x } {23} , x = 92 $$
$$ 13 + 63 - x , x = 5 $$
$$ 15 \left( 80 - x \right) , x = 77 $$
$$ 15 + 36 - x , x = 5 $$
$$ 17 x - 44 , x = 4 $$
$$ 17\cdot3 + x , x = 30 $$
$$ 18 + 2 x , x = 26 $$
$$ 19 x + 16 , x = 4 $$
$$ 19\cdot\frac{66} { x } , x = 22 $$
$$ 2 \left( x - 31 \right) , x = 48 $$
$$ 2 \left( x + 8 \right) , x = 2 $$
$$ 2 \left( 11 + x \right) , x = 20 $$
$$ 2 + 13 + x , x = 79 $$
$$ 22 + \frac{78} { x } , x = 2 $$
$$ 24 + \frac{ x } {2} , x = 58 $$
$$ 27 + x + 22 , x = 29 $$
$$ 28 + x + 34 , x = 36 $$
$$ 3 \left( x + 15 \right) , x = 8 $$
$$ 32\cdot\frac{ x } {7} , x = 21 $$
$$ 38 + 14 x , x = 2 $$
$$ 4 + x - 10 , x = 14 $$
$$ 4 + 26 - x , x = 19 $$
$$ 4\cdot\frac{ x } {3} , x = 48 $$
$$ 4\cdot2 + x , x = 10 $$
$$ 41\cdot\frac{ x } {16} , x = 32 $$
$$ 42 - \frac{ x } {2} , x = 26 $$
$$ 47 + 3 x , x = 13 $$
$$ 47 + 6 + x , x = 1 $$
$$ 5 \left( 59 - x \right) , x = 53 $$
$$ 5 + 76 + x , x = 8 $$
$$ 53 - \left( 40 - x \right) , x = 30 $$
$$ 54 + 95 - x , x = 84 $$
$$ 56 - 20 + x , x = 37 $$
$$ 59 - x + 76 , x = 36 $$
$$ 6 \left( 1 + x \right) , x = 11 $$
$$ 6 + 15 + x , x = 63 $$
$$ 6 + 17 + x , x = 44 $$
$$ 61 - x + 41 , x = 15 $$
$$ 61 - 56 + x , x = 42 $$
$$ 65 - \left( x - 6 \right) , x = 56 $$
$$ 67 + 20 + x , x = 6 $$
$$ 7 x - 24 , x = 7 $$
$$ 7\cdot11 - x , x = 61 $$
$$ 74 - 3 + x , x = 19 $$
$$ 8 - \left( x - 7 \right) , x = 14 $$
$$ 8\cdot5 - x , x = 27 $$
$$ 85 - \left( 46 - x \right) , x = 17 $$
$$ 88 - 3 x , x = 3 $$
$$ 9 \left( 2 + x \right) , x = 5 $$
$$ 9 x - 18 , x = 3 $$
$$ 93 - 6 x , x = 9 $$
$$ 93 - 9 + x , x = 7 $$
$$ 97 - x + 38 , x = 50 $$
- valor numeric de polinomis (2n grau) 14
![](/sites/stemcollection.com/themes/stemcollection/images/link.png)