1×2×3×4×5×6×7×8×9×.×100后面有多少个0?93326215443944200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000用excel函数,计算出来的数值
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1×2×3×4×5×6×7×8×9×.×100后面有多少个0?93326215443944200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000用excel函数,计算出来的数值
1×2×3×4×5×6×7×8×9×.×100后面有多少个0?
93326215443944200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
用excel函数,计算出来的数值好像不对啊,=fact(100) 算出来是多少?
1×2×3×4×5×6×7×8×9×.×100后面有多少个0?93326215443944200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000用excel函数,计算出来的数值
24个
1 每隔5个,会产生一个0,比如 5,10 ,15,20..
2 每隔 5×5 个会多产生出一个0,比如 25,50,75,100
3 每隔 5×5×5 会多出一个0,比如125..
所以 100的末尾0的个数为 100/5 + 100/25 = 20+4 = 24个
158--总位数 , 24--末尾0的个数
精算结果:
93326215443944152681699238856266700490715968264381621468592963895217599993229915608941463976156518286253697920827223758251185210916864000000000000000000000000
眼都花了,用数学软件看的,145个0
1x2x3x4x5x6x7x8x9x10里面2x5有一个0,10有一个0,一共2个0;
11x12x13x14x15x16x17x18x19x20里面12x15有一个0,20有一个0,一共2个0;
21x22x23x24x25x26x27x28x29x30里面24x25有2个0,30有一个0,一共3个0;
31x32x33x34x35x36x37x38x39x40里面32x...
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1x2x3x4x5x6x7x8x9x10里面2x5有一个0,10有一个0,一共2个0;
11x12x13x14x15x16x17x18x19x20里面12x15有一个0,20有一个0,一共2个0;
21x22x23x24x25x26x27x28x29x30里面24x25有2个0,30有一个0,一共3个0;
31x32x33x34x35x36x37x38x39x40里面32x35有一个0,40有一个0,一共2个0;
41x42x43x44x45x46x47x48x49x50里面42x45有一个0,50有一个0,一共2个0;
51x52x53x54x55x56x57x58x59x60里面52x55有一个0,60有一个0,一共2个0;
61x62x63x64x65x66x67x68x69x70里面62x65有一个0,70有一个0,一共2个0;
71x72x73x74x75x76x77x78x79x80里面72x75有2个0,80有一个0,一共3个0;
81x82x83x84x85x86x87x88x89x90里面82x85有一个0,90有一个0,一共2个0;
91x92x93x94x95x96x97x98x99x100里面92x95有一个0,100有2个0,一共3个0;
所以1×2×3×4×5×6×7×8×9×......×100后面有0个数:2×7+3×3=14+9=23个
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