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4.?代数式，方程，不等式algebraic term 代数项? like terms, similar terms 同类项? numerical coefficient 数字系数literal coefficient 字母系数?inequality 不等式triangle inequality 三角不等式 range 值域 original equation 原方程?equivalent equation 同解方程，等价方程? linear equation 线*方程(e.g.5x+6=22)?5.?分数，小数proper fraction 真分数? improper fraction 假分数? mixed number 带分数? vulgar fraction，common fraction 普通分数? simple fraction 简分数? complex fraction 繁分数 numerator 分子? denominator 分母? (least)common denominator （最小）公分母 quarter 四分之一? decimal fraction 纯小数? infinite decimal 无穷小数? recurring decimal 循环小数? tenths unit 十分位??56. 集合union 并集? proper subset 真子集? solution set 解集?7.?数列arithmetic progression(sequence) 等差数列? geometric progression(sequence) 等比数列?8.?其它?approximate 近似? (anti)clockwise (逆) 顺时针方向? cardinal 基数?ordinal 序数? direct proportion 正比? distinct 不同的? estimation 估计，近似? parentheses 括号? proportion 比例? permutation 排列?combination 组合? table 表格? trigonometric function 三角函数 unit 单位,位?几何 GEOMETRY1.角alternate angle 内错角? corresponding angle 同位角? vertical angle 对顶角? central angle 圆心角? interior angle 内角? exterior angle 外角? supplementary angles 补角complementary angle 余角? adjacent angle 邻角acute angle 锐角? obtuse angle 钝角right angle 直角? round angle 周角? straight angle 平角? included angle 夹角 |
