英文中各种符号标点都怎么说?[1] |
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2x(-4)=-8 你能用英语把这个等式(equation)读出来吗? 被难倒了吧! 别着急!看完下面双语君给你整理的各种数学符号和标点符号的英文表达,你马上就会说了! 数学符号 Mathematical symbols 01 +: plus 加号;正号 “1+1”读作:one plus one 02 -: minus; negative 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 03 ±: plus-minus sign 正负号 “±1” 读作:plus or minus one 04 ×: multiplied by ; times 乘号 “2×3” 读作:two multiplied by three 或 two times three 05 ÷: divided by 除号 “4÷2”读作:four divided by two 06 =: 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. 07 ≠: is not equal to 不等于号 “a≠b”读作:a is not equal to b 08 ≌: congruent 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 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 %: percent 百分之…… “10%”读作:ten percent 17 ‰ : per mill ; per thousand 千分之…… “10‰”读作:ten per thousand 18 ∞: infinity 无限大号 “-∞” 读作:negative infinity 19 ∝: varies as 与...成比例 “X∝Y”读作:X varies as Y 20 √ ̄: 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 two 23 ∴: hence; therefore 所以 “∴1 |
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