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学生说明
1) Click 
to begin the activity
2) Use the 
tool to answer each question
3) Click on the 
when you are done with your work
教师备注（学生不可见）
One more and one less practice. If you would like to change the numbers used on any of the pages, first edit the activity, click on the "drop" area, click the three dots, then click "edit question."
