Short-Cut Math
Gerard W. Kelly
Clear, concise compendium of about 150 time-saving math short-cuts features faster, easier ways to add, subtract, multiply, and divide. Each problem includes an explanation of the method, a step-by-step solution, the short-cut solution, and proof, as well as an explanation of why it works. No special math ability needed.
种类:
年:
1984
出版:
Revised
出版社:
Dover Publications
语言:
english
页:
112
ISBN 10:
0486246116
ISBN 13:
9780486246116
系列:
Dover Books on Mathematics
文件:
EPUB, 4.30 MB
IPFS:
,
english, 1984