count from 20 to 29, count backward from 10 by 1's, count from 38 - 50 , count 1 to 10 and then backward to 1 , count by 10's to 100, count to 10 starting at 3 , count from 40 to 49, start at 5 and count to 20, count to 60 by 10's, count from 10 to 19, count from 70 to 79, count from 50 to 59, count from 30 to 39, count from 90 to 100, count from 60 to 69.

Counting

由
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？