Question 1

Herleid $2a-5b-3a+7b$

Accepted Answer

$-a+2b$

Question 2

Herleid $2a\cdot5b-3a\cdot7b$

Accepted Answer

$-11ab$

Question 3

Herleid $2a^2b-10b^2+a^2b+b^2$

Accepted Answer

$3a^2b-9b^2$

Question 4

Geef de oppervlakte van de figuur en herleid (ook haakjes wegwerken)

Accepted Answer

$10ab-4b$

Question 5

Geef de omtrek van de figuur (en herleid)

Accepted Answer

$10a+4b-4$

Question 6

Herleid:$-3(5a-2b)$

Accepted Answer

$-15a+6b$

Question 7

Herleid:$5(a-2)-(a-3)$

Accepted Answer

$4a-7$

Question 8

Herleid:$3c^5-3c^5$

Accepted Answer

$0$

Question 9

Herleid:$3c^5-3c^3$

Accepted Answer

$3c^5-3c^3$

Question 10

Herleid:$10x^3+10x^3$

Accepted Answer

$20x^3$

Question 11

Herleid:$10x^3\cdot10x^3$

Accepted Answer

$100x^6$

Question 12

Herleid:$18x^3\cdot -2x^2 \cdot x$

Accepted Answer

$-36x^6$

Question 13

Herleid:$-5y^2 \cdot -y^6 \cdot y^8$

Accepted Answer

$5y^{16}$

Answer

$7y^{96}$

Answer

$25y^{16}$

Answer

$6y^{16}$

Question 14

$12x^6=3x^2 \cdot ....$

Accepted Answer

$4x^4$

Question 15

$12x^6=x^6-....$

Accepted Answer

$-11x^6$

Question 16

Herleid:$3a^3 \cdot a^4 - a^7$

Accepted Answer

$2a^7$

Question 17

Herleid: $(5abc)^3$

Accepted Answer

$125a^3b^3c^3$

Question 18

Herleid: $(-2ab^2c^3)^3$

Accepted Answer

$-8a^3 b^6 c^9$

Question 19

Herleid:$-ab^3 \cdot (-ab)^3$

Accepted Answer

$a^4b^6$

Answer

$-2ab^3$

Answer

$ab^3$

Answer

$a^2b^6$

Question 20

Herleid: $(-2a^2)^4+3a^6 \cdot -2a^2$

Accepted Answer

$10a^8$

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