1x2x3x4x5x6x7x8x9x.20积的末尾有几个0

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1x2x3x4x5x6x7x8x9x.20积的末尾有几个01x2x3x4x5x6x7x8x9x.20积的末尾有几个01x2x3x4x5x6x7x8x9x.20积的末尾有几个04个1x2x3x4x5x6

1x2x3x4x5x6x7x8x9x.20积的末尾有几个0
1x2x3x4x5x6x7x8x9x.20积的末尾有几个0

1x2x3x4x5x6x7x8x9x.20积的末尾有几个0
4个

1x2x3x4x5x6x7x8x9x.........20中是5的倍数有4个
则有4个0
答:4个0

4个