等于的英语怎么写
加减乘除表示法
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=5
Two 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 minus six?
10-6=4
Ten 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
3X4=? How much is three times four?
3X4=12
Three 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=4
Sixteen divided by four is four.
Sixteen divided by four equals/gives/makes four.
十六除以四等于四。
2. 12减4等于8的英语怎么写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。
3. 求所有标点符号的英语写法.period 句号
,comma 逗号
:colon 冒号
;semicolon 分号
!exclamation 惊叹号
?question mark 问号
￣hyphen 连字符
'apostrophe 省略号；所有格符号
—dash 破折号
' 'single quotation marks 单引号
“ ”double quotation marks 双引号
( )parentheses 圆括号
[ ]square brackets 方括号
《 》French quotes 法文引号；书名号
ellipsis 省略号
¨tandem colon 双点号
"ditto 同上
‖parallel 双线号
/virgule 斜线号
&ersand = and
~swung dash 代字号
§section; division 分节号
→arrow 箭号；参见号
+plus 加号；正号
-minus 减号；负号
±plus or minus 正负号
*is multiplied by 乘号
÷is divided by 除号
=is equal to 等于号
≠is not equal to 不等于号
≡is equivalent to 全等于号
≌is equal to or approximately equal to 等于或约等于号
≈is approximately equal to 约等于号
>is more than 大于号
≮is not less than 不小于号
≯is not more than 不大于号
≤is less than or equal to 小于或等于号
≥is more than or equal to 大于或等于号
%per cent 百分之…
‰per mill 千分之…
∞infinity 无限大号
∝varies as 与…成比例
√（square） root 平方根
∵since; because 因为
∴hence 所以
∷equals, as (proportion) 等于，成比例
∠angle 角
⌒semicircle 半圆
⊙circle 圆
○circumference 圆周
πpi 圆周率
△triangle 三角形
⊥perpendicular to 垂直于
∪union of 并，合集
∩intersection of 交，通集
∫the integral of …的积分
∑（sigma） summation of 总和
°degree 度
′minute 分
〃second 秒
#number 井字号
℃Celsius system 摄氏度
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明天他会来的。
5、The delegation may arrive tomorrow morning.
代表团明晨或可到达。
