Getallestelsels: RGR#1

Rangskik die volgende breuke van klein na groot: $open curly brackets 2 over 3 minus 3 over 4 semicolon 7 over 12 close curly brackets$

$open curly brackets 2 over 3 semicolon minus 3 over 4 semicolon 7 over 12 close curly brackets K G V open parentheses 3 semicolon 4 semicolon 12 close parentheses equals 12 open curly brackets fraction numerator 2 cross times 4 over denominator 3 cross times 4 end fraction semicolon minus fraction numerator 3 cross times 3 over denominator 4 cross times 3 end fraction semicolon 7 over 12 close curly brackets equals open curly brackets 8 over 12 semicolon minus 9 over 12 semicolon 7 over 12 close curly brackets v a n space k l e i n space n a space g r o o t space i s open curly brackets negative 9 over 12 semicolon 7 over 12 semicolon 8 over 12 close curly brackets equals open curly brackets negative 3 over 4 semicolon 7 over 12 semicolon 2 over 3 close curly brackets$