It is arummy92.com huge success if you fuse one place with numbers and disappear when the next number goes to (5, 10, 15), disappear, disappear and disappear all in chain.
Since there is only one place to answer with one, operation is very easy! Where will I erase everything? It is a brain train app that thinks by reading and ahead.
100 questions are prepared from the beginning, but if you hurry until it becomes unsatisfactory, additional problems are also prepared.
