c语言程序设计题目:计算一元二次方程的根【程序填空】#include//elseif(【?】){x1=(-b+sqrt(disc))/(2*a);x2=(-b-sqrt(disc))/(2*a);printf(quot;hasdistinctrealroots:%8.4fand%.4fnquot;,x1,x2);}else{realpart=-b/(2*a);imagpart=sqrt(-di |
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