randRange( 1, 8 )*10 randRange ( 0, 9 )*1 randRange( 1, 8 )*10 randRange ( 0, 9 )*1 A_10+A_1 B_10+B_1 []
graph.adder = new Adder( A, B ); graph.adder.show(); DUMMY = Array( graph.adder.getNumHints() );
A + B
graph.adder.showHint();