1. 加减乘除还有等于, 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
【等于的英语怎么写】+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