abscissa橫坐標(biāo)
absolute value絕對(duì)值
account for(數(shù)量)占
acute angle銳角
acute triangle銳角三角形
add加add to
addition加，加法
adjacent相鄰
adjacent angles鄰角
algebra代數(shù)學(xué)
algebraic expression代數(shù)式
algebraic fraction分式
algebraic term代數(shù)項(xiàng)
aliquot除得盡數(shù)
aliquant除不盡數(shù)