1诱导公式 sin(-a)=-sin(a) cos(-a)=cos(a) sin(pi2-a)=cos(a) cos(pi2-a)=sin(a) sin(pi2a)=cos(a) cos(pi2a)=-sin(a) sin(pi-a)=sin(a) cos(pi-a)=-cos(a) sin(pia)=-sin(a) cos(pia)=-cos(a) tgA=ta
GRE和GMAT数学常考数学公式总结 (ab)(a-b)=a2-b2??? (ab)2=a22abb2??? (a-b)2=a2-2abb2(ab)3=a33a2b3ab2b3?? (a-b)3=a3-3a2b3ab2-b3一元二次方程ax2bxc=0的解x??=(-b±b2-4ac)2a利率Rate?时间Time?Simple Interest:利息Interest=本金Principa
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GRE数学第一部分 数学基础知识一代数Algebra例1 比较大小:. The number of distinct positive factors of n 14比较大小例2:252因子的个数是多少例3 比较大小:A printer numbered consecutively the pages of a book beginning with 1 on
代数部分??1.有关数学运算?addplus加subtract减difference差multiply times乘product积divide除?divisible可被整除的divided evenly被整除dividend被除数红利divisor因子除数?quotient商remainder余数factorial阶乘power乘方radicalsignrootsign根号?round
GREGMAT数学符号和常用的数学表达方式数学试题中常用的数学符号总结如下: SYMBOL MEANING=is equal to≠ is not equal to ≈ is approximately equal to > is greater than ≥ is greater than or equal to < is
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常用数学公式:(ab)(a-b)=a2-b2 (ab)2=a22abb2 (a-b)2=a2-2abb2 (ab)3=a33a2b3ab2b3 (a-b)3=a3-3a2b3ab2-b3 一元二次方程ax2bxc=0的解x??=(-b±b2-4ac)2a Simple 利率Rate?时间Time?Interest:利息Interest=本金Principalpound Interest:
GREGMAT数学部分术语总汇代数部分 1. 有关数学运算 addplus 加 subtract 减 difference 差 multiply times 乘 product 积 divide 除 divisible 可被整除的 divided evenly 被整除 dividend 被除数红利 divisor 因子除数 quotient 商 remainder 余数 f
数学词汇数学符号等于: ≡ equal to the same as is不等于: > more than < less than ≥ no more than加: add A to B plus sum of A and B total减: - minus less difference su
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