Getallestelsels: HGPM#1

Bepaal die antwoord van die volgende somme:

a)
$table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell 8 plus left parenthesis negative 3 right parenthesis end cell row blank equals cell 8 minus 3 end cell row blank equals 5 end table$

b)
$table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell left parenthesis negative 7 right parenthesis minus left parenthesis negative 3 right parenthesis end cell row blank equals cell negative 7 plus 3 end cell row blank equals cell negative 4 end cell end table$

c)
$negative 2 plus 9 equals plus 7$

d)
$table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell 4 minus 3 minus 8 end cell row blank equals cell plus 1 minus 8 end cell row blank equals cell negative 7 end cell end table$

e)
$table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell left parenthesis negative 2 right parenthesis plus left parenthesis plus 5 right parenthesis minus left parenthesis negative 7 right parenthesis end cell row blank equals cell negative 2 plus 5 plus 7 end cell row blank equals cell negative 2 plus 5 plus 7 end cell row blank equals cell 3 plus 7 end cell row blank equals cell plus 10 end cell end table$