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| # | 英语 | 汉语 | |
|---|---|---|---|
| 1 | root sign | n. 根号：the symbol √ used for roots | |
| 2 | round to | v. 四舍五入到：to change a number to a simpler one close to it | |
| 3 | to the nearest | phr. 精确到最近的：the closest value in a given unit | |
| 4 | significant figure | n. 有效数字：digits that show the precision of a number | |
| 5 | addend | n. 加数：a number that is added to another | |
| 6 | minuend | n. 被减数：the number from which another is subtracted | |
| 7 | subtrahend | n. 减数：the number that is subtracted | |
| 8 | divisor | n. 除数：the number you divide by | |
| 9 | inverse operations | n. 逆运算：operations that undo each other | |
| 10 | order of operations | n. 运算顺序：the rules for which operation to do first | |
| 11 | sequence | n. 序列：a list of numbers or things in order | |
| 12 | one-fifth | n. 五分之一：one part out of five equal parts | |
| 13 | one-fourth | n. 四分之一：one part out of four equal parts | |
| 14 | horizontal | adj. 水平的：going from left to right | |
| 15 | vertical | adj. 垂直的：going up and down | |
| 16 | dashed line | n. 虚线：a line made of short dashes | |
| 17 | length | n. 长度：how long something is | |
| 18 | height | n. 高度：how tall something is | |
| 19 | shape | n. 形状：the form or outline of something | |
| 20 | below | prep. 在...下面：lower than something |