Tabuada de multiplicar 9×9

Este é um software para aprender multiplicação. E é considerado útil para memorizar a tabela de 9 × 9.
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This is software for learning multiplication.
And it is considered helpful to memorize the table up to 9 × 9.
With the exercise mode, you sellect kind and row. And you push start button. So you are given questions.
When you answer all the questions,it is displayed correct answer and your time.
With the test mode, you sellect the number of question.
When you answer all the questions, it is displayed correct answer and score and your time.
When you answered all the questions correctly,you can update fastest time.