《数学公式表达》PPT课件.ppt

2023/7/16,1,Formula,Mathematics A statement,especially an equation,of a fact,rule,principle,or other logical relation.Chemistry A symbolic representation of the composition or of the composition and structure of a compound.,2023/7/16,2,Mathematical Expressions,constants2/3 two thirds2:3 two to three3.76 three point seven six4 four and three fourths386 three eighty-six2%two percent5 five per mill,2023/7/16,3,Mathematical Expressions,operations+plus(positive)-minus(negative)plus or minus multiplied by,times divided by,over map into,2023/7/16,4,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 radical sign,root sign 根号round,round off,to the nearest 四舍五入union 并集 intersection 交集proper subset 真子集solution set 解集,2023/7/16,5,inequality 不等式 triangle inequality 三角不等式 equivalent equation 同解方程，等价方程linear equation 线性方程 numerator 分子denominator 分母(least)common denominator(最小)公分母 arithmetic mean 算术平均值weighted average 加权平均值 geometric mean 几何平均数 exponent 指数，幂,2023/7/16,6,Mathematical Expressions,relations=equal,be equal to be approximately equal toab a is identically equal to b ab a is not equal to bab a is less than or equal to b ab a is greater than or equal to b x x approaches infinity,2023/7/16,7,Mathematical Expressions,relationsx2 the square of xx3 the cube of x nth root(of)x lgx log x to base 10;the logarithm of x,with 10 as the base common logarithmlnx log x to base e;natural logarithm x plus y all squared,2023/7/16,8,Mathematical Expressions,relationsx x prime x x double primedy/dx(the first)derivative of y with respect to xf(x)integral of f(x)ab f(x)integral of f(x)from a to b,