How to Calculate Quickly Full Course in Speed Arithmetic

  • Category Other
  • Type E-Books
  • Language English
  • Total size 4.4 MB
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  • Date uploaded 1 decade ago
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Infohash : 12C6BBF05B53B18A3B081577C14DC375FD8CA245






Henry Sticker, "How to Calculate Quickly: Full Course in Speed Arithmetic"
English | 1955 | ISBN: 1607964201, 048620295X | 185 pages | PDF | 6 MB

Many useful procedures explained and taught: two-column addition, left-to-right subtraction, direct multiplication by numbers greater than 12, mental division of large numbers, more. Also numerous helpful short cuts. More than 8,000 problems, with solutions.




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