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Розкриття дужок.

Authored by Тетяна Кінда

Mathematics

6th Grade

Used 290+ times

Розкриття дужок.
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 5(x3)5\cdot\left(x-3\right)  

 5x35x-3  

 x15x-15  

 5x+35x+3  

 5x155x-15  

 5x85x-8  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3(2a3b)-3\cdot\left(2a-3b\right)  

 6a+6b-6a+6b  

 6a9b6a-9b  

 6a+9b-6a+9b  

 6a+3b-6a+3b  

 6a3b-6a-3b  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 8(xy)8\cdot\left(x-y\right)  

 8xy8xy  

 8xy8x-y  

 8x+y8x+y  

 8x+8y8x+8y  

 8x8y8x-8y  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 7(3x)7\cdot\left(3-x\right)  

 103x10-3x  

 10+7x10+7x  

 21x21-x  

 217x21-7x  

 107x10-7x  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 6(2a1)-6\cdot\left(2a-1\right)  

 12a+6-12a+6  

 8a68a-6  

 12a6-12a-6  

 12a112a-1  

 12a1-12a-1  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 7(b9)7\cdot\left(b-9\right)  

 7b97b-9  

 7b+97b+9  

 7b167b-16  

 7b637b-63  

 7b727b-72  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (3a7b)7\left(3a-7b\right)\cdot7  

 10a7b10a-7b  

 21a14b21a-14b  

 21a49b21a-49b  

 21a+14b21a+14b  

 21a+49b21a+49b  

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