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Llenguatge algebraïc

Authored by Manel Monrós

Mathematics

2nd - 3rd Grade

Used 5+ times

Llenguatge algebraïc
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11 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

El doble d'un nombre més quatre unitats

2x + 4x

2 + 4

2 + 4x

2x + 4

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

La meitat d'un nombre

x + 2

x - 2

x2\frac{x}{2}

2x

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Un nombre en restar-li 3 dona com a resultat 12

3x = 12

x + 3 = 12

x - 3 = 12

3 - x = 12

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Un nombre que sumat a 15 doni el triple de 2

x + 15 = 3·2

x + 15 = 3x

3x + 15 = 2

x = 15 + 3x

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Si al doble dels diners que tinc li sumo 72 euros, obtinc 196 euros.

x + 72 = 196

2x = 72 + 196

2x + 72 = 196

2·72 + x = 196

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

El triple d’un nombre més 7 és 43.

3·7 = 43

3x + 7 = 43

3 + 7 + x = 43

x + 3·7 = 43

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

El doble d’un nombre més el seu triple dóna 125.

2x + 3 = 125

2x + 3x = 125

2·3·x = 125

2 + 3 = 125x

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