Повторення 7 клас

Повторення 7 клас

7th Grade

12 Qs

quiz-placeholder

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Повторення 7 клас

Повторення 7 клас

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Hard

Created by

Тетяна Кінда

Used 29+ times

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12 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Розв'яжіть рівняння  407у=5у840-7у=5у-8  

2.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Розв'яжіть рівняння 36=6у636=6у-6  

3.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Розв'яжіть рівняння  509z=808z50-9z=80-8z  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Розв'яжіть рівняння  10y+45=5y-10y+45=-5y  

 55  

 99  

 9-9  

 33  

 3-3  

5.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Розв'яжіть рівняння  (x2)2(x3)(x+3)=31\left(x-2\right)^2-\left(x-3\right)\left(x+3\right)=-31  

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Поставте число замість ?

51

81,5

127

90,75

126,5

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Антон виконав завдання. Виберіть ті завдання, в яких хлопчик допустив помилку.

(3y4z2)2=9y224yz2+16z4\left(3y-4z^2\right)^2=9y^2-24yz^2+16z^4

(a7)2=a214a49\left(a-7\right)^2=a^2-14a-49

(5x+z)2=10x210x+z2\left(5x+z\right)^2=10x^2-10x+z^2

(a2c)2=a22ac+2a2\left(a-2c\right)^2=a^2-2ac+2a^2

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