calculate to three decimal places計(jì)算結(jié)果保留三位小數(shù)
    cancellation約掉，消掉
    *car pool
    catch up with
    cent
    center圓心
    central angle圓心角
    *charge費(fèi)用，價(jià)錢
    chart圖表
    chord弦
    circle圓
    circle graph(chart)圓形圖
    circular圓形的，環(huán)形的
    circular cylinder圓柱
    circumference圓的周長
    clear an equation of fractions分式方程整式化
    clockwise順時(shí)針
    coefficient系數(shù)
    *coin
    column列，圓柱
    common denominator公分母
    common difference等差數(shù)列的公差
    common divisor(factor)共因子;公約數(shù)
    common ratio等比數(shù)列的公比
    common multiple公倍數(shù)
    complement余角
    complementary angle余角
    complete circle全圓
    complete quadratic (equation)全二次方程
    complex fraction繁分?jǐn)?shù)
    composite number合數(shù)，指大于一而不是質(zhì)數(shù)的整數(shù)
    compound混合物;復(fù)利
    compound interest復(fù)利
    compound annual interest年復(fù)利
    concentration濃度
    concentric circle同心圓
    congruent(多邊形)全等的
    consecutive連續(xù)的
    consecutive integer連續(xù)整數(shù)
    consecutive even(odd) integer連續(xù)偶(奇)數(shù)
    consist of由……構(gòu)成
    constant不變的，永恒的;常數(shù)
    constitute構(gòu)成，組成
    *contractor承包商
    convert into
    coordinate坐標(biāo)
    coordinate axis system坐標(biāo)系
    coordinate geometry解析幾何
    coordinate plane坐標(biāo)平面
    corresponding angles同位角，對(duì)應(yīng)角
    corresponding side對(duì)應(yīng)邊
    *cost成本
    *cost price成本價(jià)
    counterclockwise逆時(shí)針
    cross multiplication交叉相乘
    cube立方體，立方;三次冪
    cubic立方體的，立方的
    cubic block立方體
    cubic denominations立方單位
    cubic solid立方體
    cubic units立方單位
    cumulative graph(chart)累積圖
    curve曲線
    curved line曲線
    cylinder圓柱體
    cylinderic(al)圓柱體的