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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. | 
