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mnożenie sum algebraicznych

Authored by Karolina Faszczewska

Mathematics

1st - 6th Grade

Used 166+ times

mnożenie sum algebraicznych
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Które wyrażenie jest sumą algebraiczną

2 x2x^2 +5x

x6x^6

4

-5 x2x^2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Wynikiem mnożenia podanych sum algebraicznych jest (3x+1)(2x+6)\left(3x+1\right)\left(2x+6\right)  

 5x+20x2+65x+20x^2+6  

 6x2+20x+66x^2+20x+6  

 26x2+626x^2+6  

 6x2+5x+66x^2+5x+6  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Wynikiem mnożenia podanych sum algebraicznych jest (a+3b)(3a2b)\left(a+3b\right)\left(3a-2b\right)  

 3a26b23a^2-6b^2  

 3a+7ab6b3a+7ab-6b  

 3a2+7ab6b23a^2+7ab-6b^2  

 9a26b29a^2-6b^2  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Podaj wynik mnożenia danych sum algebraicznych  (2xy+6)(x+3y)\left(2x-y+6\right)\left(x+3y\right)  

 2x2+6x+5xy3y2+18y2x^2+6x+5xy-3y^2+18y  

 8x+5xy+15y8x+5xy+15y  

 2x23y2+5xy+18y2x^2-3y^2+5xy+18y  

 2x23y2+62x^2-3y^2+6  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Oblicz:  (2+3)(21)\left(\sqrt{2}+3\right)\left(\sqrt{2}-1\right)  

 1-1  

 2212\sqrt{2}-1  

 3233\sqrt{2}-3  

 43\sqrt{4}-3  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Oblicz:  (3+22)(4382)\left(\sqrt{3}+2\sqrt{2}\right)\left(4\sqrt{3}-8\sqrt{2}\right)  

 43261624\sqrt{3}-2\sqrt{6}-16\sqrt{2}  

 20-20  

 1662016\sqrt{6}-20  

 2020  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Oblicz (5b4)(2b3)\left(5b-4\right)\left(2b-3\right) 

 10b2+7b1210b^2+7b-12  

 10b223b+1210b^2-23b+12  

 10b27b+1210b^2-7b+12   

 10b2+23b1210b^2+23b-12  

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