Getallestelsels: HGMD#1

Bepaal die antwoord van die volgende somme:

a)
$plus 8 cross times left parenthesis negative 3 right parenthesis equals negative 24$

b)
$left parenthesis negative 7 right parenthesis cross times left parenthesis negative 3 right parenthesis equals plus 21$

c)
$open parentheses negative 2 close parentheses cross times open parentheses plus 7 close parentheses equals negative 14$

d)
$fraction numerator plus 48 over denominator negative 8 end fraction equals negative 6$

e)
$open parentheses negative 60 close parentheses divided by open parentheses negative 5 close parentheses equals plus 12$

f)
$fraction numerator negative 100 over denominator plus 20 end fraction equals negative 5$