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фсу 2

Authored by Мамық Набат

Mathematics

7th Grade

Used 51+ times

фсу 2
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

                        а2 − в2\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ а^{2\ }-\ в^2  

(а −в)(а+в)\left(а\ -в\right)\left(а+в\right)  

(- а - в)(а+в)

а2 − 2ав +в2а^{2\ }-\ 2ав\ +в^2  

а2 + 2ав + в2а^2\ +\ 2ав\ +\ в^2  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

а2 +в2а^2\ +в^2  

(а − в) ( а + в) \left(а\ -\ в\right)\ \left(\ а\ +\ в\right)\  

а2 + 2ав + в2а^{2\ }+\ 2ав\ +\ в^2  

(а +в)2\left(а\ +в\right)^2  

нет формулы

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

а2 + 2ав +в2а^2\ +\ 2ав\ +в^2  

а2 +в2а^2\ +в^2  

(а + в)2\left(а\ +\ в\right)^2  

а2 −в2а^2\ -в^2  

(а − в)2\left(а\ -\ в\right)^2  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

а3− 3а2в + 3ав2 − в3а^3-\ 3а^2в\ +\ 3ав^2\ -\ в^3  

а3 + в3а^{3\ }+\ в^3  

а3 − в3а^3\ -\ в^3  

(а − в)3\left(а\ -\ в\right)^3  

(а − в)2\left(а\ -\ в\right)^2  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(а − в)(а2 + ав + в2)\left(а\ -\ в\right)\left(а^2\ +\ ав\ +\ в^2\right)  

а3 + в3а^3\ +\ в^3  

а3 − в3а^3\ -\ в^3  

(а − в)3\left(а\ -\ в\right)^3  

(а + в)3\left(а\ +\ в\right)^3  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(а+ в)3\left(а+\ в\right)^3  

а3+3а2в+3ав2 +в3а^3+3а^2в+3ав^2\ +в^3  

(а−в)(а2 + ав + в2)\left(а-в\right)\left(а^2\ +\ ав\ +\ в^2\right)  

(а − в)(а2 − ав − в2)\left(а\ -\ в\right)\left(а^2\ -\ ав\ -\ в^2\right)  

а3 +3а2в+3ав2+в3а^3\ +3а^2в+3ав^2+в^3  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(а − в)2\left(а\ -\ в\right)^2  

а2 − 2ав −в2а^2\ -\ 2ав\ -в^2  

а2 −2ав +в2а^2\ -2ав\ +в^2  

а2 − в2а^2\ -\ в^2  

а2+2ав − в2а^2+2ав\ -\ в^2  

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