20 exercicios divididos en 4 bloques
Preme en '>' para comezar a animación
Bloque 1 | Bloque 3 |
---|---|
\(\frac{4}{8}=\frac{x}{16}\) \(\Rightarrow\) x=8 \(\frac{x}{7}=\frac{81}{63}\) \(\Rightarrow\) x=9 \(\frac{4}{x}=\frac{12}{27}\) \(\Rightarrow\) x=9 \(\frac{2}{7}=\frac{18}{x}\) \(\Rightarrow\) x=63 \(\frac{7}{7}=\frac{x}{21}\) \(\Rightarrow\) x=21 |
$6xy^{6}\cdot4x^{7}y^{2}$=$24x^{8}y^{8}$ $8a\cdot7a^{5}$=$56a^{6}$ $4x^{4}yz^{2}\cdot7x^{5}z^{2}$=$28x^{9}yz^{4}$ $6a^{5}b^{6}c\cdot9ac^{7}$=$54a^{6}b^{6}c^{8}$ $x^{7}y^{2}z^{4}\cdot6xy^{6}z^{5}$=$6x^{8}y^{8}z^{9}$ |
Bloque 2 | Bloque 4 |
-4x+3, x=8\(\Rightarrow\)-29 3x+1, x=6\(\Rightarrow\)19 -4+5x, x=4\(\Rightarrow\)16 4+5x, x=-9\(\Rightarrow\)-41 -5x+y, x=4 y=2\(\Rightarrow\)-18 |
4x+7=-13 \(\Rightarrow\) x=-5 5+9x=41 \(\Rightarrow\) x=4 7x+0=-14 \(\Rightarrow\) x=-2 8+5x=-32 \(\Rightarrow\) x=-8 9x+8=17 \(\Rightarrow\) x=1 |