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Exam rapid 60 seconds sprint: full table of the junior high school math knowledge(Chinese Edition) - Softcover

WANG BAO DA LI SHI XUE

 
9787801386410: Exam rapid 60 seconds sprint: full table of the junior high school math knowledge(Chinese Edition)

Synopsis

Paperback. Pub 2006 07 207 Dolphin Books around exams in recent years. the proportion of the basics of the portion has increased year by year. generally 70% to 80%. the concept of mathematics. physics. chemistry. formulas. theorems entry boil them and with compiled examples to explain; assembler language. English knowledge into various forms. convenient weekday at any time. memory. readily available. comparative learning . Close to the examination before the more as a students strengthen memory manual. make you more confident! Chapter-1 positive and negative rational and shaft opposite number and the absolute value of 4 a + b = + - (a + b) a + b = b + a. (a + b) + c = a + (b + c) 6 ab = a + (-b) 7 ab = +-a b. a 0 = 0. ab = ba. (ab) c = a (bc). (a + b) c = AC + BC8 a * b = a * 1B (b = 0). 9 a a ... a = an (n is a positive integer) 10 A * 10n1...

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