Formule de calcul prescurtat

Formule de calcul prescurtat

Assessment

Assessment

Created by

dana grosu

Mathematics

8th Grade

254 plays

Hard

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15 questions

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1.

Multiple Choice

2 mins

1 pt

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Scrieţi următoarele formule de calcul prescurtat: 

a2-2ab+b2

a2+2ab+b2

a2-2ab-b2

a2-b2

2.

Multiple Choice

2 mins

1 pt

Media Image

Scrieţi următoarele formule de calcul prescurtat: 

m2-2mn+n2

m2+2mn+n2

m2+2mn-n2

m2-n2

3.

Multiple Choice

2 mins

1 pt

Media Image

Scrieţi următoarele formule de calcul prescurtat: 

v2-u2

u2-2uv+v2

u2-v2

u2+2uv+v2

4.

Multiple Choice

3 mins

1 pt

Media Image

Calculaţi, folosind formule de calcul prescurtat (literele reprezintă numere reale): 

x2-6x+9

9+6x-x2

9-6x+x2

9+6x+x2

5.

Multiple Choice

3 mins

1 pt

Media Image

Calculaţi, folosind formule de calcul prescurtat (literele reprezintă numere reale): 

y2-10y+25

y2+10y+25

y2-25

y2-10y-25

6.

Multiple Choice

2 mins

1 pt

Media Image

Calculaţi, folosind formule de calcul prescurtat (literele reprezintă numere reale): 

2x-49

x2-14

x2-49

x2-14x+49

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