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发表于2024-11-13
Ten-key Skill Builder for Calculators pdf epub mobi txt 電子書 下載 2024
This concise, easy-to-use text-workbook is designed to build speed and accuracy skills on the ten key pad using the touch method. Contains strokes-a-minute (SAM) and errors-a-minute (EAM) which were established on scores from users.
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Ten-key Skill Builder for Calculators pdf epub mobi txt 電子書 下載 2024