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.
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