from RYOHEI SATO, originally released 19th September, 2011
"Sum quiz" is train your brain.
Used in addition to favorite number from 1 to 9,
"Exactly the given number" to
"Great for the specified number of times," Let's make on.
For example, In nine to 58,
9 +9 +9 +9 +9 +3...
Recent posts about SumQuiz
discussion by Sidelines.