合数:4,9,16,27,.39,55,87,95
素数:2,3,7,13,23,31,41,47,67
1,2,3,4,7,9,13,16,23,27,31,.39,41,47,55,67,87,95哪些是合数,哪些是素数?
1,2,3,4,7,9,13,16,23,27,31,.39,41,47,55,67,87,95哪些是合数,哪些是素数?
数学人气:151 ℃时间:2020-03-31 08:45:33
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