정보
- ISBN : 0471575631
- 출판사 : John Wiley Sons Inc
- 출판일 : 19920901
- 저자 : Julius, Edward H.
요약
● ● Master common math problems without a calculator! Award-winning math teacher Ed Julius covers more than 60 powerful math tips and techniques in his entertaining 30-day program. For example, multiply any two-digit number by 11 simply by splitting apart the two digits, adding…
Rapid Math Tricks Tips: 30 Days to Number Power (Paperback)