Question 1

Herleid: $6a+-2a$

Accepted Answer

$4a$

Question 2

Herleid:$-5a--5a$

Accepted Answer

$0$

Question 3

Herleid: $5 \cdot 2b+10 \cdot 3b$ (noteer tussenstap)

Accepted Answer

$10b+30b=40b$

Question 4

Herleid:$-3a \cdot 4b+2a \cdot -3b$ (noteer tussenstap)

Accepted Answer

$-12ab-6ab=-18ab$

Question 5

Herleid:$-3a - 4b+2a + -3b$

Accepted Answer

$-a-7b$

Question 6

Herleid: $-3a \cdot -3b+2a \cdot 3b$ (noteer tussenstap)

Accepted Answer

$9ab+6ab=15ab$

Question 7

Vul in: $18a=6 \cdot ...$

Accepted Answer

$3a$

Question 8

Vul in: $18a=6a- ...$

Accepted Answer

$-12a$

Question 9

Werk de haakjes weg: $a(3b+c)$

Accepted Answer

$3ab+ac$

Question 10

Werk haakjes weg: $\frac{1}{2}p(4q+8r)$

Accepted Answer

$2pq+4pr$

Question 11

Herleid: $5(x+2y)+3y$ (noteer tussenstap)

Accepted Answer

$5x+10y+3y=5x+13y$

Question 12

Herleid:$3(a-2b)-5(a+b)$ (noteer tussenstap)

Accepted Answer

$3a-6b-5a-5b=-2a-11b$

Question 13

Herleid:$-3p \cdot -2q-(6pq-1)$ en noteer tussenstap

Accepted Answer

$6pq-6pq+1=1$

Question 14

Vul in: $64 = 2^{...}$

Accepted Answer

$6$

Question 15

Bereken $2^3 \cdot 5$ (noteer tussenstap)

Accepted Answer

$8 \cdot 5=40$

Question 16

Bereken $45-3 \cdot 2^4$ (noteer tussenstap)

Accepted Answer

$45-3 \cdot 16=45-48=-3$

Question 17

Bereken: $(-2)^5$

Accepted Answer

$-32$

Question 18

Bereken $30-3^3$ (noteer tussenstap)

Accepted Answer

$30-27=3$

Question 19

De uitkomst van $-(-12)^{22}$ is

Accepted Answer

Negatief

Answer

Weet ik niet

Answer

Geen van beiden

Answer

Positief

Question 20

Bereken $-3^3-(-2)^6$ (noteer tussenstap)

Accepted Answer

$-27-64=-91$

Related quizzes