PrimePi[24]==9
单元格[BoxData[RowBox[List[RowBox[List[“PrimePi”,“[”,“24”,“]”]],“\[Equal]”,“9”]]]
<math xmlns='http://www.w3.org/1998/Math/MathML'mathematica:form='TraditionalForm'xmlns:mathematica='http://www.wolfram.com/XML/'><语义><mrow><mrow><mi>π</mi><mo>⁡</钼><mo>(</mo><mn>24</mn><mo>)</mo></mrow><mo>⩵</mo><mn>9</mn></mrow><annotation-xml encoding='MathML-Content'><apply><eq/><apply><pi/><cn type='integer'>24
单元格[BoxData[RowBox[List[RowBox[List[“HoldPattern”,“[”,RowBox[List[“PrimePi”,“'”,“24”,“]”]],“]“]],”\[RuleDelayed]“,”9“]]]
2001-10-29