冷火秋烟
20% of 50 = 20% × 504 of 5 = 4/55 of 9 就是 九分之五,准确无误!4 + 5 的读法 :4 plus 5,这是最常见的读法; 4 adds 5,也对,但拗口,用的人不多。5 - 4 的读法:5 minus 4;5 × 4 的读法:5 times 4;5 ÷ 4 的读法:5 divided by 4;x³ 的读法:x cubic,x to the power of 3,都是常见读法;x^a 的读法:x to the power of a;x 开三次方的读法:cubic root x,x to the power of one third;四次方:fourth root;五次方:fifth root;以此类推。10 % 读法:ten percent。

白羽蓝翎
加 plus介词 prep. 1. 加,加上Five plus two equals seven. 五加二等于七。 2. 外加;另有The work of an engineer requires intelligence plus experience. 工程师的工作需要才智,还要经验。 形容词 a. 1. 【数】表示加的;正的[B]5 is a plus quantity. 五是一个正数。 2. 比...略好一些的;比...略高一些的[A]She got a grade of B plus. 她的成绩是B+。 3. 【口】外加的;特别的 4. 【口】有利的;有益的[B]His experience in social work is a plus factor. 他在社会福利工作方面的经验是一个有利因素。 5. 【电】阳性的;正电的[B] 名词 n. [C]1. 【数】加号,正号;正数,正量You need a plus there. 你那儿需要一个加号。 2. 外加额;附加物 3. 好处;有利因素[(+for)]His new job has several pluses, one of which is a large salary. 他的新工作有几个好处,其中之一是薪减 minus介词 prep. 1. 减(去)10 minus 5 leaves 5. 十减五剩五。 2. 【口】没有,失去The statue survived though minus a leg. 那尊塑像保存了下来,但缺了一条腿。 形容词 a. 1. 负的,减去的[B]The temperature is now minus 5 degrees. 现在气温为零下五度。 2. 略低一点的,略差一些的[A]I got an A minus. 我得了一个A-。 3. 不利的[B]A boy might live in a minus neighborhood but not be a delinquent. 一个男孩子可以生活在一个差劲的街坊而不沦为罪犯。 名词 n. [C]1. 【数】负号,减号;负数,负量There is a minus before the number to be subtracted. 在要减去的数字前有一个减号。 2. 不足,缺陷Traffic noise is one of the minuses of living on a main road. 车辆的噪音是住在交通干道旁的不利乘 multiplymultiply1及物动词 vt. 1. 乘,使相乘[(+by/together)]Four multiplied by five is twenty. 五乘四得二十。 2. 使(成倍地)增加Such examples could be multiplied indefinitely. 这样的例子不胜枚举。 3. 使繁殖Hot weather multiplied the bacteria in the food rapidly. 炎热的天气使食品中的细菌迅速繁殖。 不及物动词 vi. 1. 增加As we climbed up the mountain, the dangers and difficulties multiplied. 我们越向山顶攀爬,危险和困难越是倍增。 2. 繁殖Rabbits multiply quickly. 兔子繁殖很快。 3. 做乘法He learned to multiply at the age of five. 他五岁学会做乘法。 multiply2形容词 a. 1. 多层的,多股的副词 ad. 1. 多样地;多重地除 divide及物动词 vt. 1. 分,划分[(+into/from)]The teacher divided our class into four groups. 老师把我们班分成四个小组。 2. 分发;分享[(+between/among/with)]The children divided up the candy among themselves. 孩子们把糖果分吃了。 3. 分配[(+between)] 4. 【数】除[(+by/into)]12 divided by 4 equals 3. 十二除以四等于三。 5. 使对立,分裂We shall not let such a small matter divide us. 我们决不会让这么一个小问题分裂我们。 6. 使分开,使隔开[(+from)]A wall divides our garden from theirs. 一道墙把我们的花园和他们的隔开。 不及物动词 vi. 1. 分开We divided into two groups. 我们分成两组。 2. 分裂;意见分歧The Board of Directors divided on the new project. 董事会对这个新计划意见分歧。 名词 n. 1. 分歧,不和[S][(+between)]There is a deep divide between the two factions. 这两派之间有很深的分歧。 2. 分水岭[C]
whatever345
“加”用 plus,and 或 add 表示减 ”用 minus 或 take from 表示“乘”用time(动词)或multiply表示“除”用divide的过去分词形式表示
森源实木家具
表示方法如下: 1、加法用and, plus, add 等表示。词性:plus(介词),and(连词)或add(动词)。例句: Seven and [plus] eight is [are, make(s)] fifteen. 7加8等于15。 If you add ten to eight, you get eighteen. 10加8等于18。 2、减法用 minus, from, ,subtract,take away (from) 等表示。词性:minus(介)或 take from, subtract(动)。例句: Twelve minus two is [leaves, equals] ten. 12减2等于10。 5 from 20 leaves 15. 20减5余15。 If you take five from twelve, you’re left with seven. 12减去5得7。 If you take four away from ten, that leaves six. 10减去4得6。 3、乘法用 times, multiply, multiplied by, twice 等表示。词性:times(介词)或multiply(动词), mutiplied by(分词)例句: 2 and 3 multiply to make 6. 2和3相乘得6。 2 multiplied by 4 makes 8. 2乘以4得8。 Five times three is [equals] fifteen. 5乘以3等于15。 What is twice two? 2乘2是多少? 4、除法通常用 divide, divided by, into 等表示。词性:divide(动词), divided by (分词)例句: Four into twelve is [makes] three. 12除以4等于3。 30 divided by 6 is [equals]5. 30除以6等于5。 5 divides into 30 6 times. 用5除30等于6。 5、等于号 “=”用 is, equals, makes 来表述。例句: Sixteen divided by four is four.16除以4等于4。扩展资料:加减乘除的英文:Add、subtract、multiply 、divide divide 读法 英 [d?'va?d] 美 [d?'va?d] 1、vt. 划分;隔开;分割;[数]除 2、vi. 分裂;分开 3、n. 分水岭;分歧;分 divide用法 1、divide的基本意思是把整体分成若干部分,有“分份”和“分享”的含义,引申可用于表示“广泛地分离”和“相互间的对抗”,即“分裂”“使疏远”“使失和”。 2、divide可用于数学中表示“除”。
菩缇紫mariposa
plus 英[plʌs] 美[plʌs] prep. (表示运算) 加; (表示包容) 外加; [口语] 和; (表示数目) 在零(度)以上; n. 加号; [数学] 正量; 好处; 附加物; adj. 加的; 正的; 附加的; 比所示数量多的; [例句]Send a cheque for £ 18.99 plus £ 2 for postage and packing请寄上18.99英镑的支票,外加2英镑的邮资和包装费。[其他] 复数:plusses eg. 3+2 可以读作 three plus two 加减乘除英文表示法 1. 加:用and ,plus , added to 等词表示。 2 + 4 = 6 可译为: Two and four is six . Two plus four is equal to six . Two added to four equals six . Two and four makes six . Two plus four will be six . If you add two to four , you get six . 2. 减:用minus, taken from, subtracted from 等表示。 8-3=5可译为: Eight minus three is five . Eight minus three is equal to five . Three taken from eight leaves five . Three subtracted from eight leaves five . Take three from eight and the remainder is five . 3. 乘:用multiply···by···/ multiplied by / time 等表示。 3 × 5 = 15可译为: Multiply three by five is (gives)fifteen . Three multiplied by five is fifteen . Multiply three by five , you get fifteen . Three times five is (makes, will be , equals, is equal to ) fifteen . 4. 除:用divide···by···/ divided by / divide···into··· / into 等表示。 24 ÷ 8 = 3 可译为: Twenty-four divided by eight makes (is , equals ) three . Twenty-four divided by eight is equal to three . Eight into twenty-four goes three times . Divide eight into twenty-four , and you get three . Divide twenty-four by eight , and you get three .