Math Word Decode Fun Item - Level Normal. ATTENTION "Math Word Decode Fun" application is required or this item will not work. Math Word Decode Fun(Free): market: //details? Id=tw. Actman. Android. Games. Puzzles. Mathworddecode. [Function]. Unlock game level "Normal" mode. The "a" coefficient in linear equation "y=ax+b" will be between 9 and -9(except 0).