Magic quick calculation von wei guo (1 Ergebnisse)
- Softcover
Anbieter: liu xing, Nanjing, JS, Chinaliu xing
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EUR 45,65
EUR 15,59 VersandVersand von China nach USAAnzahl: 1 verfügbar
paperback. Zustand: New. Paperback Pages. Number: 106 Language: Chinese. Magic quick calculation compared with other fast calculation method has the following six characteristics: 1. Advanced nature of the advanced nature of magic quick calculation is mainly reflected in two ways: First. fast. in less than 100 two-digit multipli…cation speed calculation. the pupils can usually be within 3 seconds to arrive at a correct answer. for some specific data. within two seconds can be calculated; a wide range of magic quick ca.
