Question 1

Bereken $-1	imes 1 	imes4	imes0	imes3$

Accepted Answer

$0$

Answer

$12$

Answer

$-12$

Answer

$-24$

Question 2

Bereken $-3	imes 3 	imes-5	imes-5$

Accepted Answer

$-225$

Answer

$225$

Answer

$-150$

Answer

$16$

Question 3

Bereken $9- 5 	imes-3$

Accepted Answer

$24$

Answer

$-12$

Answer

$12$

Answer

$-24$

Question 4

Bereken $-13-(2+8)	imes-3$

Accepted Answer

$17$

Answer

$69$

Answer

$9$

Answer

$-43$

Question 5

Bereken: $(90-50):8+2	imes-3$

Accepted Answer

$-1$

Answer

$-12$

Answer

$-24$

Answer

$-60$

Question 6

Bereken: $\frac{-21--12}{10-1}+\frac{9}{-3--12}$

Accepted Answer

$0$

Answer

$-2$

Answer

$\frac{25}{9}=2\frac{7}{9}$

Answer

$2$

Question 7

Bereken $-\frac{3}{8}+\frac{3}{4}$

Accepted Answer

$\frac{3}{8}$

Answer

$-\frac{9}{32}$

Answer

$\frac{3}{12}=\frac{1}{4}$

Answer

$-\frac{9}{8}=-1\frac{1}{8}$

Question 8

Bereken $1\frac{1}{6}-2\frac{2}{3}$

Accepted Answer

$-1\frac{1}{2}$

Answer

$-\frac{1}{2}$

Answer

$\frac{-23}{6}=-3\frac{5}{6}$

Answer

$-1\frac{5}{6}$

Question 9

Geef het tegengestelde van $\frac{12}{21}$

Accepted Answer

$-\frac{12}{21}$

Answer

$\frac{-12}{-21}$

Answer

$\frac{-12}{21}$

Answer

$\frac{21}{12}$

Question 10

Wat is het omgekeerde van  $2\frac{1}{5}$

Accepted Answer

$\frac{5}{11}$

Answer

$-\frac{5}{11}$

Answer

$2\frac{5}{1}$

Answer

$-2\frac{1}{5}$

Question 11

Bereken  $1\frac{1}{4}:-2\frac{1}{2}$

Accepted Answer

$-\frac{1}{2}$

Answer

$\frac{10}{8}=1\frac{1}{4}$

Answer

$-\frac{1}{2}+\frac{1}{8}=\frac{5}{8}$

Answer

$-\frac{10}{20}$

Question 12

Het gewicht van een beer is: $g=12+1,5w$ (w=weken).       Hoe zwaar weegt een beer van 4 weken?

Accepted Answer

$18$kg

Answer

$17,5$kg

Answer

$54$kg

Answer

$6$kg

Question 13

Bereken het omgekeerde van $3(3-d)$ voor $d=2\frac{1}{2}$

Accepted Answer

$\frac{2}{3}$

Answer

$1\frac{1}{2}$

Answer

$-\frac{3}{2}$

Answer

$-1\frac{1}{2}$

Question 14

Gegeven:  $q=-7$ en $p=5$        Bereken $-p+4q$

Accepted Answer

$-33$

Answer

$-23$

Answer

$13$

Answer

$27$

Question 15

Bij deze tafel hoort de formule

Accepted Answer

$Beltegoed=20-0,4	imes aantal\ belminuten$

Answer

$Beltegoed=20-4	imes aantal\ belminuten$

Answer

$Beltegoed=40-0,4	imes aantal\ belminuten$

Answer

$Beltegoed=0,4	imes aantal\ belminuten+20$

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