neil2446326902
1.加 plus(介词,作形容词时,是正的,等同于positive) add（动词） 比如： 4 plus 3 equals 7. If you add 4 to 3 you get 7. Her mark was B plus. 她的分数B+. 减 minus （介词,作形容词讲时,是“负的”的意思,相当negative）subtract（动词,常与from连用）减去；扣除 比如： 12 minus 7 leaves 5. 十二减去七剩五. The temperature was minus 20 degrees. 温度是零下20度. If you subtract 3 from 5,you get 2. 3.乘 multiply（动词）比如： 3 multiplied by 5 is 15. 三乘五等于十五. 4.除 divide（动词） 比如： 15 divided by 3 is 5.3 除15等于5. Three will not divide into eleven. 三除不尽十一. 当然：加减乘除的名词形式如下 1.addition 加法 2.subtraction减法 3 .multiplication乘法 4 .division除法
想想冬至
为您解答引用给您看看语法点加法加法运算通常用and, plus, add 等表示。如：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。减法减法运算通常用 minus, from, take (away) (from) 等表示。如：Eight minus five is [leaves] three. 8减 5等于3。4 from 20 leaves 16. 20减4余16。Ten take away four is [leaves] six. 10减去4得6。(D8)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。乘法乘法运算通常用 times, multiplied by, twice 等表示。如：Five times three is [equals] fifteen. 5乘以3等于15。Five multiplied by two equals ten. 5乘以2等于10。What is twice two? 2乘2是多少?除法除法运算通常用 divided by, into 等表示。如：Twelve divided by four is [makes] three. 12除以4等于3。Four into twelve is [makes] three. 12除以4等于3。
优质英语培训问答知识库
