中国农业银行
单选题有a,b、c三个正整数,已知a×b=24,a×c=36,b×c=54,求a+b+c:( )。
A.23
B.21
C.19
D.17
参考答案:C进入在线模考
【答案】C。解析:a2=24×36+54=16,所以0=4,则b=6,c=9,故叶6+c=19。
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