回應:

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I read it somewhere before about counting to improve memory. You can practice counting from 1 to 100 and then back count fast from 100 to 1.

When you back count from 100, 99...to 1, try not to stop and pay attention to see if you skip numbers.

Hope this will help you.

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Thank you for the information.
I will try it. You've been a big help. Thank you very much.