randRange( 1, 10 ) randRange( 1, A )
init({ range: [ [0, 12], [-1, 1] ] }); label( [0, 0], "\\Huge{\\color{#6495ED}{ A } - \\color{#FF0000}{ B } = {?}}", "right" );
A - B
drawCircles( A, "#6495ED" );
crossOutCircles( A, B, "#FF0000" );

{\color{#00f}{\text{We begonnen met plural( A, "cirkel" )}}}
{\color{#f00}{\text{We streepten plural( B, "cirkel" ) door.}}}
We hebben dus nog plural( A - B, "cirkel" ) over.