AEAS数学考试高分攻略:考试必学的数学符号解析
- 2021-04-29
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中国学生面对数学考试,肯定都是不在话下的,但是如果是要面对全部用英语考的AEAS考试数学呢?相信大肯定会因为词汇的原因而导致自己丢分的,小北整理了数学必备词汇的相关资讯,一起去看看吧。
数学符号
+
plus 加号;正号,“1+1”读作:one plus one02
-
minus ['maɪnəs]; negative ['negətɪv],减号;负号,“2-1”读作:two minus one,“-3”读作:minus three或negative three,“2-(-3)”读作:two minus negative three
±
plus-minus sign 正负号,“±1” 读作:plus or minus one04
×
multiplied [’mʌltɪ’plaɪd] by ; times,乘号,“2×3” 读作:two multiplied by three 或 two times three05
÷
divided by 除号,“4÷2”读作:four divided by two06
=
equals; is equal to 等于号,“1+1=2”读作:One plus one equals two.或 One plus one is equal to two.
≠
is not equal to 不等于号,“a≠b”读作:a is not equal to b08
≌
congruent ['kɒŋgrʊənt] to,全等(两个图形形状相同、大小相等),“△ABC≌△DEF”读作:Triangle ABC is congruent to Triangle DEF.09
≈
approximately equal to 约等于号,“3×3≈10” 读作:Three multiplied by three is approximately equal to ten.10
<
is less than 小于号,“1<2”读作 One is less than two.11
>
is greater than 大于号,“2>1”读作:Two is greater than one.12
≮
is not less than 不小于号,“3≮2”读作:Three is not less than two.13
≯
is not greater than 不大于号,“2≯4” 读作:Two is not greater than four.14
≤
is less than or equal to 小于或等于号,“2≤3”读作:Two is less than or equal to three.15
≥
is greater than or equal to 大于或等于号,“5≥4”读作:Five is greater than or equal to four.16
%
per cent 百分之……,“10%”读作:ten percent17
‰
per mill [mil]; per thousand千分之……,“10‰”读作:ten per thousand18
∞
infinity [ɪn'fɪnɪtɪ] 无限大号,“-∞” 读作:negative infinity19
∝
varies as 与...成比例,“X∝Y”读作:X varies as Y20
√ ̄
square root 平方根,“√ ̄16=4”读作:The square root of sixteen is four.21
3√ ̄
cube root 立方根,“3√ ̄27=3”读作:The cube root of 27 is 3.22
∵
since; because 因为,“∵1+1=2”读作:because one plus one equals two23
∴
hence; therefore 所以,“∴1<2”读作:hence one is less than two24
∠
angle 角,“∠A”读作:angle A,“∠A +∠B+∠C=180°”,读作:The measure of angle A plus angle B plus angle C equals 180 degrees.
⌒
semicircle ['semɪsɜːkl] 半圆,“⌒AB”读作:semicircle AB26
⊙
circle 圆,“⊙A”读作:circle A27
○
circumference [sə'kʌmf(ə)r(ə)ns] 圆周,“○=π×d”读作:Pi multiplied by d equals circumference.28
π
pi constant 圆周率,“π×d”读作:pi multiplied by d29
△
triangle 三角形,“△ABC”读作:triangle ABC,What is the area of triangle ABC? 求三角形ABC的面积。
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