新版GMAT数学讲义.doc

教师读书摘抄及心得景山学校通州校区施工情况教学科研有趣的线造型美术教案新军事变革全面发展始于。数字语文资源网GMAT数学讲义主讲:黄颀欢迎使用新东方在线电子教材数学词汇数学符号等于:≡equalto,thesameas,is不等于:>morethan<lessthan≥nomorethan加:+addAtoB,plus,sumofAandB,total减:-minus,less,difference,subtractAfromB乘:×multiply,product除:÷AdividedbyB,AdividedintoB,AdivisiblebyB绝对值:|…|absolutevalue平方:squareX2立方:cube开平方:squareroot开立方:cuberoot平行://parallelto垂直:⊥perpendicularto数字前缀1:uni,mono,2:bi,du,di3:tri,ter4:tera,quad5:penta,quint6:hex,sex7:sept,hapta8:oct9:enn10:dec,,(质数与1以外的自然数)monmultiple最小公倍数multiple公倍数naturalnumber自然数negativenumber负数nonzero非零oddnumber奇数positivenumber正数primefactor质因子primenumber质数quotient商rational有理数realnumber实数remainder余数wholenumber整数units’digit个位数tens’digit十位数hundreds'digit百位数2-,···to···从···下降至···decereaseby···下降了define定义denominator分母denote表示,代表depreciation折旧distinct不同的expression表达式fraction分数geometricmean几何平均数improperfraction假分数increased增加后的increased···to···从···增加到···increaseby···增加了intermsof用···essive,inarow连续的tehth十分位tenths’digit十分位tie平局times几倍twodigits两个数字twiceasmanyAasBA是B的两倍3/2asmanyAasBA是B的3/2倍Ais20%morethanBA比B多20%(A-B)/B=20%,ircle同心圆cone圆锥congruent全等的coordinate坐标counterclockwise逆时针cube正方体cylinder圆柱decagon十边形degree角度diameter直径diagonal对角线dimension大小,维度distance距离duenorth正北方equilateraltriangle等边三角形face面height高hexagon六边形hypotenuse斜边isoscelestriangle等腰三角形inscribe内接,内切intersect相交length长度medianofatriangl