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Autoavaluació Obj 1 i obj 2 - Unitat 2

Authored by Maria Corbella

Mathematics

3rd Grade

Used 3+ times

Autoavaluació Obj 1 i obj 2 - Unitat 2
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5 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

El triple de la suma de dos nombres qualsevol

3x+y

(x+y):3

3·(x+y)

3x + 3y

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Un nombre més el seu quadrat

x+2x

y+2x

2x+x

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

La meitat d'un nombre menys cinc

x/2 - 5

x:2 - 5

2x - 5

(x - 5)/2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

El seu valor numèric quan a=1 i b=-1

0

2

-2

1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Calcula el valor numèric per a a=1 i b=-1

1

2

0

-2

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