-
【C8】A.numberB.varietyC.sumD.series
-
【33】A.rulerB.parameterC.scaleD.variable
-
【28】A.variationB.balanceC.frequencyD.stability
-
【C18】A.varianceB.varietyC.variationD.variable
-
【C8】A.possibilityB.capabilityC.abilityD.variability
-
【C7】A.variationB.varietyC.exchangeD.shift
-
下列程序段中 A_class的成员函数Variance()可求出两数的平方差 请改写该程序段 把Va