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120
1!=1 2!=2×1=2 3!=3x2x1=6 4!=4x3x2x1=24 5!=5x4x3x2x1=120 6!=6x5x4x3x2x1=720 The answer is 120.
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120
1!=1
2!=2×1=2
3!=3x2x1=6
4!=4x3x2x1=24
5!=5x4x3x2x1=120
6!=6x5x4x3x2x1=720
The answer is 120.