GRE数学常见符号整理
<p> + <span word="plus">plus</span> ;<span word="positive">positive</span></p><p> - <span word="minus">minus</span> ;<span word="negative">negative</span></p><p> <span word="multiplied">multiplied</span> <span word="by">by</span> ;<span word="times">times</span></p><p> <span word="divided">divided</span> <span word="by">by</span></p><p> = <span word="equals">equals</span></p><p> <span word="approximately">approximately</span> <span word="equals">equals</span></p><p> <span word="not">not</span> <span word="equal">equal</span> <span word="to">to</span></p><p> <span word="less">less</span> <span word="than">than</span></p><p> <span word="greater">greater</span> <span word="than">than</span></p><p> <span word="equal">equal</span> <span word="to">to</span> <span word="or">or</span> <span word="less">less</span> <span word="than">than</span></p><p> <span word="equal">equal</span> <span word="to">to</span> <span word="or">or</span> <span word="greater">greater</span> <span word="than">than</span> <span word="o">o</span></p><p> <span word="round">round</span> <span word="brackets">brackets</span> ;<span word="parentheses">parentheses</span></p><p> <span word="square">square</span> <span word="brackets">brackets</span></p><p> { } <span word="braces">braces</span></p><p> <span word="is">is</span> <span word="a">a</span> <span word="member">member</span> <span word="of">of</span> <span word="the">the</span> <span word="set">set</span></p><p> ? <span word="is">is</span> <span word="a">a</span> <span word="subset">subset</span> <span word="of">of</span></p><p> ∽ <span word="similar">similar</span> <span word="to">to</span></p><p> ≌ <span word="congruent">congruent</span> <span word="to">to</span></p><p> <span word="denotes">denotes</span> <span word="an">an</span> <span word="operation">operation</span></p><p> <span word="therefore">therefore</span></p><p> ∵ <span word="because">because</span></p><p> ∶ <span word="ratio">ratio</span> <span word="sign">sign</span>, <span word="divided">divided</span> <span word="by">by</span>, <span word="is">is</span> <span word="to">to</span></p><p> ∷ <span word="equals">equals</span>, <span word="as">as</span></p><p> ∥ <span word="parallel">parallel</span> <span word="to">to</span></p><p> <span word="perpendicular">perpendicular</span> <span word="to">to</span>, <span word="at">at</span> <span word="right">right</span> <span word="angles">angles</span> <span word="with">with</span></p><p> <span word="angle">angle</span></p><p> ∟ <span word="right">right</span> <span word="angle">angle</span></p><p> <span word="o">o</span> <span word="degree">degree</span></p><p> <span word="minute">minute</span></p><p> <span word="second">second</span></p><p> ⊙ <span word="circle">circle</span></p><p> <span word="A">A</span>?<span word="B">B</span> <span word="arc">arc</span> <span word="AB">AB</span></p><p> <span word="e">e</span> <span word="the">the</span> <span word="base">base</span> <span word="of">of</span> <span word="natural">natural</span> <span word="logarithms">logarithms</span>,<span word="approx">approx</span>.2.71828</p><p> <span word="x">x</span>! <span word="factorial">factorial</span> <span word="x">x</span>, <span word="x">x</span>---1</p><p> <span word="lognx">lognx</span> <span word="log">log</span> <span word="x">x</span> <span word="to">to</span> <span word="the">the</span> <span word="base">base</span> <span word="n">n</span></p><p> <span word="pi">pi</span></p>
页:
[1]