伊兰0518
1. 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。2. 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。3. 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? 4. 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。
stella1135
这里没有什么语法可讲，英语加减乘除表示法就是一种约定俗成的习惯用法，需要牢记，下面的用法你今后会常用到，希望对你有帮助英语加减乘除常用表示法：1. “加”用plus，and或add表示；“等于”用is，make，equal等词表示。2+3=? 可表示为： How much is two plus three?2+3=5Two plus three is five．Two and three is equal to five．Two and three make five．Two added to three equals five．If we add two to/and three, we get five．二加三等于五2. “减”用 minus或 take from表示10－6＝? How much is ten minussix?10-6=4Ten minus six is four．Take six from ten and the remainder is four.Six (taken) from ten is four．十减去六等于四3. “乘”用time（动词）或multiply表示3×4＝? How much is three timesfour?3×4=12Three times four is/are twelve．Multiply three by four，we get twelve．Three multiplied by four makes twelve．三乘以四等于十二4. “除”用divide的过去分词形式表示16÷4=? How much is sixteen divided by four?16÷4＝4Sixteen divided by four is four．Sixteen divided by four equals/gives/makes four．十六除以四等于四。
落落晓婷
加：add, 如：Add 2 to 3, we get 5. plus, 2 plus 3 equals to 5减： subtract, 如：2 substracted from 5 is 3 minus, 如： 5 minus 2 is 3.乘：multiply , 如： multiply 2 by 3 times 如： 3 times 2 is 6除：divide, 如， 6 divided by 3 equals to 2 参考资料：新世纪汉英大字典
优质英语培训问答知识库
