randRange( 1, 9 ) randRange( 1, 9 ) randRangeWeighted( 0, 8, 0, 0.25 ) randRangeWeighted( 0, 8, 0, 0.25 ) randRange( 0, A_1000 - 1 ) randRange( 0, A_100 - 1 ) randRange( A_10 + 1, 9 ) randRange( A_1 + 1, 9 ) 1000 * A_1000 + 100 * A_100 + 10 * A_10 + A_1 1000 * B_1000 + 100 * B_100 + 10 * B_10 + B_1 []
graph.subtractor = new Subtractor( A, B ); graph.subtractor.show(); DUMMY = Array( graph.subtractor.getNumHints() );
A - B
graph.subtractor.showHint();