20 exercicios divididos en 4 bloques
Preme en '>' para comezar a animación
Bloque 1 | Bloque 3 |
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\(\frac{4}{4}=\frac{x}{24}\) \(\Rightarrow\) x=24 \(\frac{x}{5}=\frac{15}{25}\) \(\Rightarrow\) x=3 \(\frac{9}{x}=\frac{36}{8}\) \(\Rightarrow\) x=2 \(\frac{4}{8}=\frac{36}{x}\) \(\Rightarrow\) x=72 \(\frac{9}{7}=\frac{x}{49}\) \(\Rightarrow\) x=63 |
5\(\pi\)/3 rad=300° 7\(\pi\)/6 rad=210° 5\(\pi\)/4 rad=225° 11\(\pi\)/6 rad=330° \(\pi\)/3 rad=60° |
Bloque 2 | Bloque 4 |
Factoriza 66=$2\cdot3\cdot11$ Factoriza 68=$2^{2}\cdot17$ Factoriza 52=$2^{2}\cdot13$ Factoriza 21=$3\cdot7$ Factoriza 5=$5$ |
x²+6x+9=0\(\Rightarrow x_1=\)-3 \(x_2=\)-3 x²+9x=0\(\Rightarrow x_1=\)0 \(x_2=\)-9 x²+10x+24=0\(\Rightarrow x_1=\)-4 \(x_2=\)-6 x²-3x+2=0\(\Rightarrow x_1=\)2 \(x_2=\)1 x²+14x+45=0\(\Rightarrow x_1=\)-5 \(x_2=\)-9 |