Three and four is s_____.
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Three and four is s_____.
seven
在英语中,两个数词用and连起来,后面用is的表示加法.或者用plus.
详细用法如下:
2+3=5
Two plus three is five.
3-2=1
Three minus two is one.
2x3=6
Two times three is six.
6/3=2
Six divided by three is two.
更多数学符号用英语表示如下:
+ 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 less than 小于号
> 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
π pi 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
℃ Celsius system 摄氏度
{ open brace,open curly 左花括号
} close brace,close curly 右花括号
( open parenthesis,open paren 左圆括号
) close parenthesis,close paren 右圆括号
() brakets/ parentheses 括号
[ open bracket 左方括号
] close bracket 右方括号
[] square brackets 方括号
.period,dot 句号,点
| vertical bar,vertical virgule 竖线
& ampersand,and,reference,ref 和,引用
* asterisk,multiply,star,pointer 星号,乘号,星,指针
/ slash,divide,oblique 斜线,斜杠,除号
// slash-slash,comment 双斜线,注释符
# pound 井号
\ backslash,sometimes escape 反斜线转义符,有时表示转义符或续行符
tilde 波浪符
.full stop 句号
,comma 逗号
:colon 冒号
; semicolon 分号
question mark 问号
!exclamation mark (英式英语) exclamation point (美式英语)
' apostrophe 撇号
- hyphen 连字号
-- dash 破折号
...dots/ ellipsis 省略号
" single quotation marks 单引号
"" double quotation marks 双引号
‖ parallel 双线号
& ampersand = and
swung dash 代字号
§ section; division 分节号
→ arrow 箭号;参见号
在英语中,两个数词用and连起来,后面用is的表示加法.或者用plus.
详细用法如下:
2+3=5
Two plus three is five.
3-2=1
Three minus two is one.
2x3=6
Two times three is six.
6/3=2
Six divided by three is two.
更多数学符号用英语表示如下:
+ 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 less than 小于号
> 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
π pi 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
℃ Celsius system 摄氏度
{ open brace,open curly 左花括号
} close brace,close curly 右花括号
( open parenthesis,open paren 左圆括号
) close parenthesis,close paren 右圆括号
() brakets/ parentheses 括号
[ open bracket 左方括号
] close bracket 右方括号
[] square brackets 方括号
.period,dot 句号,点
| vertical bar,vertical virgule 竖线
& ampersand,and,reference,ref 和,引用
* asterisk,multiply,star,pointer 星号,乘号,星,指针
/ slash,divide,oblique 斜线,斜杠,除号
// slash-slash,comment 双斜线,注释符
# pound 井号
\ backslash,sometimes escape 反斜线转义符,有时表示转义符或续行符
tilde 波浪符
.full stop 句号
,comma 逗号
:colon 冒号
; semicolon 分号
question mark 问号
!exclamation mark (英式英语) exclamation point (美式英语)
' apostrophe 撇号
- hyphen 连字号
-- dash 破折号
...dots/ ellipsis 省略号
" single quotation marks 单引号
"" double quotation marks 双引号
‖ parallel 双线号
& ampersand = and
swung dash 代字号
§ section; division 分节号
→ arrow 箭号;参见号
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