Fairytyping 对比 MultiplicationRing 的使用情况和统计数据

Introduction The object of this game is to find two green cards in the outer ring that can be multiplied together to equal a blue product card found in the center of the ring. How to Play Choose two green cards and one blue card to create a multiplication equation. When correct, the cards will be cleared and the written equation will appear. If no cards can be played, click the “Replace Corner Cards” and new cards will appear in the four corners. If help is needed, click the help button to see a multiplication table.