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қысқаша көбейту формулалары 7 сынып

Authored by Акмарал Абдалиева

Mathematics

7th Grade

Used 9+ times

қысқаша көбейту формулалары 7 сынып
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10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

a2+b2=?a^2+b^2=?  

(a−b)2+2ab\left(a-b\right)^2+2ab  

(a+b)2−2ab\left(a+b\right)^2-2ab  

(a+b)2+2ab\left(a+b\right)^2+2ab  

(a+b)2+ab\left(a+b\right)^2+ab  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1 + 6q + 12q2 + 8q3

(1 + 4q)3

(1 + q)3

(1 - 2q)3

(1 + 2q)3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(a-4b)2

a2-8b+16b2

a2+8b-16b2

a2-8b-16b2

a2+8b+16b2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

c2+10c+25

(c+4)2

(2c+5)2

(c+5)2

(c+15)2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Жұлдызшаны тиісті өрнекпен ауыстырыңыз: (*)-16m2=(bc-4m)(bc+4m).

b2c
(bc)2
4bc
(bc)4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Представь в виде многочлена: (3b + 2a)3

27b3 + 54ab2 + 36a2b + 8a3

27b3 + 54ab2 + 36a2b + 4a3

27b3 + 36ab2 + 36a2b + 8a3

9b3 + 54ab2 + 36a2b + 8a3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

@sagi_space

(а+2в)(а+2в)−(а−в)2 өрнегін ықшамдаңдар\left(а+2в\right)\left(а+2в\right)-\left(а-в\right)^2\ өрнегін\ ықшамдаңдар  

6ав+3в26ав+3в^2  

6а+6в

а+в

ав

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