如题所述
谁能列举出8、6、9、0这四个数字的所有排列组合方法?
一共有4x3x2x1=24种
8690,8609,8906,8960,8069 ,8096,
6890,6809,6908,6980,6089,6098,
9680,9608,9806,9860,9068,9086
0689,0698,0896,0869,0986,0968
一共有4x3x2x1=24种
8690,8609,8906,8960,8069 ,8096,
6890,6809,6908,6980,6089,6098,
9680,9608,9806,9860,9068,9086
0689,0698,0896,0869,0986,0968
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