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1、小学数学类英语单词汇总（走美、希望杯必备）数学mathematics,公理axiom定理theorem计算calculation运算operation证明prove假设hypothesis,hypotheses(pl.)命题proposition算术arithmetic加plus(prep.),add(v.),addition(n.)被加数summand加数addend和sum减minus(prep.),subtract(v.),subtraction(n.)被减数minuend减数subtrahend差remain
2、der乘times(prep.),multiply(v.),multiplication(n.)被乘数multiplicand,faciend乘数multiplicator积product除dividedby(prep.),divide(v.),division(n.)被除数dividend除数divisor商quotient等于equals,isequalto,isequivalentto大于isgreaterthan小于islesserthan大于等于isequalorgreaterthan小于等于isequal
3、orlesserthan运算符operator平均数mean算术平均数arithmaticmean倒数（reciprocal）x的倒数为1/x有理数rationalnumber数字digit数number自然数naturalnumber整数integer小数decimal小数点decimalpoint分数fraction分子numerator分母denominator比ratio正positive负negative零null,zero,nought,nil十进制decimalsystem二进制binarysystem
4、十六进制hexadecimalsystem进位carry截尾truncation四舍五入round下舍入rounddown上舍入roundup有效数字significantdigit无效数字insignificantdigit代数algebra公式formula,formulae(pl.)系数coefficient未知数unknown,x-factor,y-factor,z-factor等式，方程式equation一次方程simpleequation二次方程quadraticequation三次方程cubicequa
5、tion四次方程quarticequation不等式inequation阶乘factorial指数，幂exponent乘方power二次方，平方square三次方，立方cube四次方thepoweroffour,thefourthpowern次方thepowerofn,thenthpower（方程的）解solution几何geometry点point线line面plane体solid线段segment射线radial平行parallel相交intersect角angle角度degree弧度radian锐角acutea
6、ngle直角rightangle钝角obtuseangle平角straightangle周角perigon底base边side高height三角形triangle锐角三角形acutetriangle直角三角形righttriangle直角边leg斜边hypotenuse勾股定理Pythagoreantheorem钝角三角形obtusetriangle不等边三角形scalenetriangle等腰三角形isoscelestriangle等边三角形equilateraltriangle四边形quadrilateral平行
7、四边形parallelogram矩形rectangle长length宽width周长perimeter面积area集合aggregate元素element数列，级数series圆circle圆心centre(BrE),center(AmE)半径radius直径diameter圆周率pi弧arc半圆semicircle扇形sector环ring椭圆ellipse圆周circumference轨迹locus,loca(pl.)平行六面体parallelepiped立方体cube七面体heptahedron八面体octah
8、edron九面体enneahedron十面体decahedron十一面体hendecahedron十二面体dodecahedron二十面体icosahedron多面体polyhedron旋转rotation轴axis球sphere半球hemisphere底面undersurface表面积surfacearea体积volume空间space四面体
