6个整数相乘得36那么它们的和是多少?
7个回答
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36x1x1x1x1x1 41
18x2x1x1x1x1 24
12x3x1x1x1x1 19
9x4x1x1x1x1 17
6x6x1x1x1x1 16
6x3x2x1x1x1 14
4x3x3x1x1x1 13
3x3x2x2x1x1 12
其中每种里面可以取2个,4个,6个为负数
2个时:
36x1x1x1x1x1 -33,37
18x2x1x1x1x1 -16,-14,18,20
12x3x1x1x1x1 -11,11,-7,15
9x4x1x1x1x1 -9,-3,7,13
6x6x1x1x1x1 -8,-4,12
6x3x2x1x1x1 -4,-2,0,4,6,8,12
4x3x3x1x1x1 -1,3,1,5,9
3x3x2x2x1x1 0,2,4,6,8
4个时:
36x1x1x1x1x1 -37,33
18x2x1x1x1x1 16,14,-18,-20
12x3x1x1x1x1 11,-11,7,-15
9x4x1x1x1x1 9,3,-7,-13
6x6x1x1x1x1 8,4,-12
6x3x2x1x1x1 4,2,0,-4,-8,-6,-12
4x3x3x1x1x1 1,-1,-3,-5,-9
3x3x2x2x1x1 0,-2,-4,-6,-8
6个时:
36x1x1x1x1x1 -41
18x2x1x1x1x1 -24
12x3x1x1x1x1 -19
9x4x1x1x1x1 -17
6x6x1x1x1x1 -16
6x3x2x1x1x1 -14
4x3x3x1x1x1 -13
3x3x2x2x1x1 -12
综合起来一共为:
-41,-37,-33,-24,-20,-19,-18,-17,-16,-15,-14,-13,-12,-11,-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,6,7,8,9,11,12,13,14,15,16,17,18,19,20,24,33,37,41
一共46个解
18x2x1x1x1x1 24
12x3x1x1x1x1 19
9x4x1x1x1x1 17
6x6x1x1x1x1 16
6x3x2x1x1x1 14
4x3x3x1x1x1 13
3x3x2x2x1x1 12
其中每种里面可以取2个,4个,6个为负数
2个时:
36x1x1x1x1x1 -33,37
18x2x1x1x1x1 -16,-14,18,20
12x3x1x1x1x1 -11,11,-7,15
9x4x1x1x1x1 -9,-3,7,13
6x6x1x1x1x1 -8,-4,12
6x3x2x1x1x1 -4,-2,0,4,6,8,12
4x3x3x1x1x1 -1,3,1,5,9
3x3x2x2x1x1 0,2,4,6,8
4个时:
36x1x1x1x1x1 -37,33
18x2x1x1x1x1 16,14,-18,-20
12x3x1x1x1x1 11,-11,7,-15
9x4x1x1x1x1 9,3,-7,-13
6x6x1x1x1x1 8,4,-12
6x3x2x1x1x1 4,2,0,-4,-8,-6,-12
4x3x3x1x1x1 1,-1,-3,-5,-9
3x3x2x2x1x1 0,-2,-4,-6,-8
6个时:
36x1x1x1x1x1 -41
18x2x1x1x1x1 -24
12x3x1x1x1x1 -19
9x4x1x1x1x1 -17
6x6x1x1x1x1 -16
6x3x2x1x1x1 -14
4x3x3x1x1x1 -13
3x3x2x2x1x1 -12
综合起来一共为:
-41,-37,-33,-24,-20,-19,-18,-17,-16,-15,-14,-13,-12,-11,-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,6,7,8,9,11,12,13,14,15,16,17,18,19,20,24,33,37,41
一共46个解
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36x1x1x1x1x1 41
18x2x1x1x1x1 24
12x3x1x1x1x1 19
9x4x1x1x1x1 17
6x6x1x1x1x1 16
6x3x2x1x1x1 14
4x3x3x1x1x1 13
3x3x2x2x1x1 12
8种
枚举法
18x2x1x1x1x1 24
12x3x1x1x1x1 19
9x4x1x1x1x1 17
6x6x1x1x1x1 16
6x3x2x1x1x1 14
4x3x3x1x1x1 13
3x3x2x2x1x1 12
8种
枚举法
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16 6*6*1*1*1*1
14 2*3*6*1*1*1
12 2*3*2*3*1*1
三种
14 2*3*6*1*1*1
12 2*3*2*3*1*1
三种
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2005-11-06
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16,14,12.41四种
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(-1)*(-2)*(-3)*1*2*3=36
-1-2-3+1+2+3=0
-1-2-3+1+2+3=0
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