问题
选择题
a、b、c是不相同的自然数，M=a×b×c，则M的因数的个数至少有（ ）个．
A．3
B．4
C．6
D．8
答案
A的因数有：1，a，b，c，ab，bc，ac，abc，共8个；
答：A至少有8个因数．
故答案为：D．
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a、b、c是不相同的自然数，M=a×b×c，则M的因数的个数至少有（ ）个．
A．3
B．4
C．6
D．8
A的因数有：1，a，b，c，ab，bc，ac，abc，共8个；
答：A至少有8个因数．
故答案为：D．
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(2)
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C．rest
D．host