5. 基本數(shù)學(xué)概念
arithmetic mean算術(shù)平均值
weighted average加權(quán)平均值
geometric mean幾何平均數(shù)
exponent指數(shù)，冪
base乘冪的底數(shù),底邊
cube立方數(shù)，立方體
square root平方根
cube root立方根
common logarithm常用對(duì)數(shù)
digit數(shù)字
constant常數(shù)
variable變量
inverse function反函數(shù)
complementary function余函數(shù)
linear一次的，線性的
factorization因式分解
absolute value絕對(duì)值，e.g.｜-32｜=32
round off四舍五入
6. 有關(guān)數(shù)論
natural number自然數(shù)
positive number正數(shù)
negative number負(fù)數(shù)
odd integer, odd number 奇數(shù)
even integer, even number偶數(shù)
integer, whole number整數(shù)
positive whole number正整數(shù)
negative whole number負(fù)整數(shù)
consecutive number連續(xù)整數(shù)
real number, rational number實(shí)數(shù),有理數(shù)
irrational(number)無(wú)理數(shù)
inverse倒數(shù)
composite number合數(shù) e.g.4,6,8,9,10,12,14,15……
prime number質(zhì)數(shù)e.g.2,3,5,7,11,13,15……注意：所有的質(zhì)數(shù)(2除外)都是奇數(shù)，但奇數(shù)不一定是質(zhì)數(shù)
reciprocal倒數(shù)
common divisor公約數(shù)
multiple倍數(shù)
(least)common multiple(最小)公倍數(shù)
(prime)factor(質(zhì))因子
common factor公因子
ordinary scale, decimal scale十進(jìn)制
nonnegative非負(fù)的
tens十位
units個(gè)位
mode眾數(shù)
median中數(shù)
common ratio公比
7. 數(shù)列
arithmetic progression(sequence)等差數(shù)列
geometric progression(sequence)等比數(shù)列
8. 其它
approximate近似
(anti)clockwise(逆)順時(shí)針?lè)较颡?BR> cardinal基數(shù)
ordinal序數(shù)
direct proportion正比
distinct不同的
estimation估計(jì)，近似
parentheses括號(hào)
proportion比例
permutation排列
combination組合
table表格
trigonometric function三角函數(shù)
unit單位,位