在GMAT数学答题中,我们往往要用到一些简单的GMAT数学公式,整理了一些GMAT数学公式。 (a+b)(a-b)=a-b (a+b)=a+2ab+b (a-b)=a-2ab+b (a+b)=a+3ab+3ab+b (a-b)=a-3ab+3ab-b 一元二次方程ax+bx+c=0的解x,=(-bb-4ac)/2a *Simple Interest:利息Interest=本金Principal时间Time利率Rate。 *Compound Interest:A=(1+R)n;A为本利和,P为本金,R为利率,n为期数。 *Discount=CostRate of Discount *Distance=SpeedTime *Pythagorean Theorem(勾股定理):直角三角形(right triangle)两直角边(legs)的平方和等于斜边 (hypotenuse)的平方。 *多变形的内角和:(n-2)180,总对角线数为n(n-3)/2条,从每一个顶点引出的对角线数为(n-3)条;式中:n为多边形的边数
上一篇: GMAT数学难点分析
下一篇: GMAT复习数学总体步骤
国际英语资讯:Trump says not sure if he will meet Putin in Paris
国际英语资讯:20 IS militants killed by U.S.-led airstrikes in eastern Syria
国际英语资讯:France to prioritize Renaults stability after Ghosn affair: FM
国际英语资讯:News Analysis: British PM set to press ahead with Brexit plan despite political crisis
国际英语资讯:Greece hit by first major strike in post bailout era
国际英语资讯:Latvian president orders lawmakers to improve overtime pay regulation
国际英语资讯:Russias fighter jet intercepts U.S. aircraft over Black Sea
国际英语资讯:Spotlight: U.S. Marine veteran kills 12 in California bar shooting rampage
国际英语资讯:Feature: South Sudans disabled people learning photography skills for better future
国际英语资讯:Yemens Houthi rebels announce halt of missile attacks on Saudi Arabia, UAE
国际英语资讯:Tension in eastern Gaza against Israel continues despite deal to avoid violence
国际英语资讯:Macrons approval rating continues to tumble despite govt reshuffle
国际英语资讯:UN envoy not objects to replacing Presidential Council: Libyan parliament speaker
国际英语资讯:Israeli geopolitical instability behind Lebanese financial crisis: economist
国际英语资讯:Spotlight: Tokyo police gear up for another raucous Halloween party in bustling Shibuya
国际英语资讯:Critical 24-hours for UK PM as her Brexit deal faces stormy reception
国际英语资讯:Sri Lankan parliament passes no-confidence motion against new govt
国际英语资讯:Former S. African president Zuma ordered to pay legal fees
国际英语资讯:British PM busy seeking support for her Brexit deal
国际英语资讯:1 killed, 4 injured in blast in NW Pakistan
国际英语资讯:Turkey starts development of long-range air defense system: Erdogan
国际英语资讯:SpaceX postpones launch of 64 small satellites
国际英语资讯:New York City tightens Halloween security one year after deadly truck attack
国际英语资讯:Death toll in northern California wildfire climbs to 48
国际英语资讯:Serbias EU future requires solution for Kosovo: Austrian Chancellor
国际英语资讯:Macron admits failure, but sticks to contested reforms
国际英语资讯:APEC Economic Leaders Meeting wraps up
国际英语资讯:Zimbabwean president mourns bus accident victims
国际英语资讯:Spotlight: Nissan chairman Ghosns fall from grace sees further allegations of double-deali
国际英语资讯:Russia, Cuba vow to boost cooperation in intl affairs