Aquesta imatge representa el teorema de Pitàgores. Al costat a se li diu hipotenusa, i als costats b i c, catets. Quin seria l'enunciat del teorema?

El quadrat de la hipotenusa és la suma dels quadrats dels catets.

La hipotenusa és la suma dels catets.

Llenguatge algebraic (2)

Authored by César Valle

Mathematics

2nd Grade

Used 40+ times

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10 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quina d'aquestes expressions representa "el doble d'un nombre més 5"?

$5x+2$

$x^2+5$

$2x+5$

$5x+2x$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quina d'aquestes expressions representa "el triple d'un nombre menys 6"?

$3x-6$

$3x+6$

$6x-3$

$6x+3$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El doble de la suma d'un nombre més 4 és...

$2x+4$

$4x+2$

$2x$

$2\cdot\left(x+4\right)$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El quadrat d'un nombre és....

$2x$

$x^2$

$2^x$

$x^3$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La tercera part d'un nombre és...

$x+3$

$3x$

$x-3$

$\frac{x}{3}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El 25% d'un nombre és...

$0,25\cdot x$

$25x$

$\frac{x}{25}$

$4x$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quina d'aquestes expressions representa un nombre parell?

$x+2$

$x-1$

$2x$

$x^2$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quina d'aquestes expressions representa el triple d'un nombre?

$3x$

$x+3$

$\frac{x}{3}$

$x^3$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quina d'aquestes expressions representa un nombre senar?

$2x+1$

$2x$

$x^2+1$

$x+1$

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