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都说国外数学很简单,学不会算式的英文表达,一切全“白搭”(代数篇)

刚刚更新 澳际教育 编辑: 浏览次数:1668 移动端

 ≌

  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.

  ≈

  approximately equal to 约等于号,“3×3≈10” 读作:Three multiplied by three is approximately equal to ten.

  <

  is less than 小于号,“1<2”读作 One is less than two.

  >

  is greater than 大于号,“2>1”读作:Two is greater than one.

  ≤

  is less than or equal to 小于或等于号,“2≤3”读作:Two is less than or equal to three.

  ≥

  is greater than or equal to 大于或等于号,“5≥4”读作:Five is greater than or equal to four.


+

  plus 加号;正号,“1+1”读作:one plus one

  -

  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 one

  ×

  multiplied [’mʌltɪ’plaɪd] by ; times,乘号,“2×3” 读作:two multiplied by three 或 two times three

  ÷

  divided by 除号,“4÷2”读作:four divided by two

  =

  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.

%

  percent 百分之……,“10%”读作:ten percent

  ∞

  infinity [ɪn'fɪnɪtɪ] 无限大号,“-∞” 读作:negative infinity

 

  square root 平方根,“ =4”读作:The square root of sixteen is four.

  cube root 立方根,“ =3”读作:The cube root of 27 is 3.

  ∵

  since; because 因为,“∵1+1=2”读作:because one plus one equals two

  ∴

  hence; therefore 所以,“∴1<2”读作:hence one is less than two


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