Объяснение:
1) Р₄=4!=4*3*2*1=24
2) Р₆=6!=6*5*4*3*2*1=720
3)
4)
5)
6)
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Объяснение:
1) Р₄=4!=4*3*2*1=24
2) Р₆=6!=6*5*4*3*2*1=720
3)
4)
5)
6)