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7 алгебра 0411

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Mathematics

7th Grade

Used 5+ times

7 алгебра 0411
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21 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(6ab2 + 3ac – 3c ) ⋅ 5a = ?

30ab2 + 15a2c – 15ac

30a2b2 + 15a2c – 15ac

15ab2 + 15a2c – 15ac

30a2b + 15ac2 – 15ac

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(15x2y3 + 5x – 2y) ⋅ 2x =

30 x3y4 + 10x2 – 4xy

30 x3y2 + 10x2– 4xy

30 x2y3 + 10x2 – 4xy

30 x3y3 + 10x3 – 4xy

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Өрнекті ықшамда: (2a2 − b)(a − 3b) − 2a3 − 3b2 + ab.

25a4 − 5b3

6a2b

-6a2b

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Көбейтіндіні көпмүше түріне келтір: 2ab(2a2 – 5ab + b2).

3b – 10а2b2 + 2а2

3b – 10а2b2 – 2аb3

3b – 10а2b2 – 2аb2

3b – 10а2b2 + 2аb3

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Көбейтіндіні көпмүше түріне келтір: 3x ⋅ (x – 3xy + 2y2).

3x2 – 9xy + 2xy

3x ⋅ (x – 3xy + 2y2)

3x2 – 9x2у + 6xy2

3x2 – 9x2у + 6x2y

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Көпмүше түріне келтір: 5x3 + (y2 + 5x)(xy – x2).

xy3 – x2y2 + 5x2y

xy – x2y2 + 5x2y

xy3 – x2y2 + 5xy

xy3 – xy2 + 5x2y

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Көпмүше түріне келтір: (6a2 + 5b2)(2ab – 4b2).

12а2b – 24а2b2+ 10аb3 – 20b4

12а3b – 24а3b2+ 10аb3 – 20b4

12а3b – 24а2b2+ 10а2b3 – 20b4

12а3b – 24а2b2+ 10аb3 – 20b4

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