将9,14,22,33,39,91这六个数分成两组,使每组的三个数的乘积相等?
人气:388 ℃ 时间:2019-08-19 18:37:39
解答
9=3²,14=2×7,22=2×11,33=3×11,39=3×11,91=7×13
所以
两组分别为:
9,22,91;
33,39,14.
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