奧數(shù)英文經(jīng)常會(huì)出現(xiàn)一個(gè)數(shù)學(xué)符號(hào)，標(biāo)點(diǎn)符號(hào)等，這些符號(hào)不應(yīng)該成為我們學(xué)習(xí)奧數(shù)英文的攔路虎，那么，這些標(biāo)點(diǎn)符號(hào)英語(yǔ)怎么說(shuō)呢?

plus 加號(hào);正號(hào)

- minus 減號(hào);負(fù)號(hào)

± plus or minus 正負(fù)號(hào)

× is multiplied by 乘號(hào)

÷ is divided by 除號(hào)

= is equal to 等于號(hào)

=? is not equal to 不等于號(hào)

≡ is equivalent to 全等于號(hào)

≌ is equal to or approximately equal to 等于或約等于號(hào)

≈ is approximately equal to 約等于號(hào)

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