a的平方+b的平方=10a+8b-41a²+b²=10a+8b-41a²+b²-10a-8b+41=0a²-10a+b²-8b+41=0a²-10a+25+b²-8b+16=0(a-5)²+(b-4)²=0a=5，b=45-41因为c是最长的边，所以5
