“加減乘除”怎么說？各種符號(hào)標(biāo)點(diǎn)的英文表達(dá)
來源：中國日?qǐng)?bào)雙語新聞 編輯：福建啟航翻譯
2x(-4)=-8
你能用英語把這個(gè)等式（equation）讀出來嗎？
被難倒了吧！
別著急！看完下面雙語君給你整理的各種數(shù)學(xué)符號(hào)和標(biāo)點(diǎn)符號(hào)的英文表達(dá)，你馬上就會(huì)說了！
數(shù)學(xué)符號(hào)
Mathematical symbols
+
plus 加號(hào)；正號(hào)
－
minus ['ma?n?s]; negative ['neg?t?v]
減號(hào)；負(fù)號(hào)
“2-1”讀作：two minus one
“-3”讀作：minus three或negative three
“2-(-3)”讀作：two minus negative three
±
plus-minus sign 正負(fù)號(hào)
×
multiplied [’m?lt?’pla?d] by ; times
乘號(hào)
÷
divided by 除號(hào)
=
equals; is equal to 等于號(hào)
“1+1=2”讀作：One plus one equals two.
或 One plus one is equal to two.
≠
is not equal to 不等于號(hào)
≌
congruent ['k??gr??nt] to
全等（兩個(gè)圖形形狀相同、大小相等）
≈
approximately equal to 約等于號(hào)
<
is less than 小于號(hào)
>
is greater than 大于號(hào)
≮
is not less than 不小于號(hào)
≯
is not greater than 不大于號(hào)
≤
is less than or equal to 小于或等于號(hào)
≥
is greater than or equal to 大于或等于號(hào)
%
per cent 百分之……
‰
per mill [mil]; per thousand千分之……
∞
infinity [?n'f?n?t?] 無限大號(hào)
