randRangeWeighted(1, 9, 0, 0.5) randRange(1, 9) randRange(2, 9) 100 * A_100 + 10 * A_10 + A_1 randRange(0, A_100 - 1) randRange(0, A_10 - 1) randRange(0, A_1 - 1) 100 * B_100 + 10 * B_10 + B_1 0
graph.subtractor = new Subtractor( A, B ); graph.subtractor.show(); NUM_HINTS = graph.subtractor.getNumHints();
A - B
graph.subtractor.showHint();