Paula Hutchinson (@pdhutch)
学生说明
1. 2. Tap to move all pennies to the piggy bank. 3. Count the pennies, then use to write the amount on the line. 4.
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2. Tap 
to move all pennies to the piggy bank.
3. Count the pennies, then use 
to write the amount on the line.
4. 
