游戏玩法简单,进入游戏后会给定一定的时间,在这段时间内,你要判断它所给出的算式是否正确,然后选择对还是错。选错则游戏结束,在给定的时间内选对的越多,得分越高。免費玩算术冲刺 Math Effect APP玩免費免費玩算术冲刺 Math Effect App算术冲刺 Math Effect APP L …
It's a BAD day to be a FLY! is an interactive illustrated children's audio book by Susan Syddall. Engaging illustrations and text have been designed t …
FIRST GRADE TO SECOND GRADE readers will read about clocks that were used to tell time long ago, as well as clocks used today. Readers will read about …