1到20任意5个数相加等于50的组合有多少?

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1到20任意5个数相加等于50的组合有多少?1到20任意5个数相加等于50的组合有多少?1到20任意5个数相加等于50的组合有多少?511种组合:1+2+8+19+20=501+2+9+18+20=5

1到20任意5个数相加等于50的组合有多少?
1到20任意5个数相加等于50的组合有多少?

1到20任意5个数相加等于50的组合有多少?
511种组合:
1 + 2 + 8 + 19 + 20 = 50
1 + 2 + 9 + 18 + 20 = 50
1 + 2 + 10 + 17 + 20 = 50
1 + 2 + 10 + 18 + 19 = 50
1 + 2 + 11 + 16 + 20 = 50
1 + 2 + 11 + 17 + 19 = 50
1 + 2 + 12 + 15 + 20 = 50
1 + 2 + 12 + 16 + 19 = 50
1 + 2 + 12 + 17 + 18 = 50
1 + 2 + 13 + 14 + 20 = 50
1 + 2 + 13 + 15 + 19 = 50
1 + 2 + 13 + 16 + 18 = 50
1 + 2 + 14 + 15 + 18 = 50
1 + 2 + 14 + 16 + 17 = 50
1 + 3 + 7 + 19 + 20 = 50
1 + 3 + 8 + 18 + 20 = 50
1 + 3 + 9 + 17 + 20 = 50
1 + 3 + 9 + 18 + 19 = 50
1 + 3 + 10 + 16 + 20 = 50
1 + 3 + 10 + 17 + 19 = 50
1 + 3 + 11 + 15 + 20 = 50
1 + 3 + 11 + 16 + 19 = 50
1 + 3 + 11 + 17 + 18 = 50
1 + 3 + 12 + 14 + 20 = 50
1 + 3 + 12 + 15 + 19 = 50
1 + 3 + 12 + 16 + 18 = 50
1 + 3 + 13 + 14 + 19 = 50
1 + 3 + 13 + 15 + 18 = 50
1 + 3 + 13 + 16 + 17 = 50
1 + 3 + 14 + 15 + 17 = 50
1 + 4 + 6 + 19 + 20 = 50
1 + 4 + 7 + 18 + 20 = 50
1 + 4 + 8 + 17 + 20 = 50
1 + 4 + 8 + 18 + 19 = 50
1 + 4 + 9 + 16 + 20 = 50
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1 + 4 + 12 + 14 + 19 = 50
1 + 4 + 12 + 15 + 18 = 50
1 + 4 + 12 + 16 + 17 = 50
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1 + 7 + 10 + 15 + 17 = 50
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1 + 7 + 11 + 13 + 18 = 50
1 + 7 + 11 + 14 + 17 = 50
1 + 7 + 11 + 15 + 16 = 50
1 + 7 + 12 + 13 + 17 = 50
1 + 7 + 12 + 14 + 16 = 50
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2 + 3 + 9 + 17 + 19 = 50
2 + 3 + 10 + 15 + 20 = 50
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2 + 3 + 10 + 17 + 18 = 50
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5 + 7 + 9 + 11 + 18 = 50
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5 + 7 + 9 + 14 + 15 = 50
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6 + 7 + 8 + 11 + 18 = 50
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6 + 7 + 8 + 13 + 16 = 50
6 + 7 + 8 + 14 + 15 = 50
6 + 7 + 9 + 10 + 18 = 50
6 + 7 + 9 + 11 + 17 = 50
6 + 7 + 9 + 12 + 16 = 50
6 + 7 + 9 + 13 + 15 = 50
6 + 7 + 10 + 11 + 16 = 50
6 + 7 + 10 + 12 + 15 = 50
6 + 7 + 10 + 13 + 14 = 50
6 + 7 + 11 + 12 + 14 = 50
6 + 8 + 9 + 10 + 17 = 50
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6 + 8 + 9 + 12 + 15 = 50
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6 + 8 + 10 + 11 + 15 = 50
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6 + 8 + 11 + 12 + 13 = 50
6 + 9 + 10 + 11 + 14 = 50
6 + 9 + 10 + 12 + 13 = 50
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1到20任意5个数相加等于50的组合有多少? 1到33之间任意6个数相加等于99的组合有那些? 1到12中任意五个数相加等于30的组合有哪些不能重复 1到33之间如果任意6个数相加的和等于92有多少种组合 1到22之间任意5个数相加等于52的组合有多少(数和数不要重复的)最好把这些数列列出来 1到7这样的数字里面任意5个数字相加和值等于20-30的组合有多少种?他们的排列分别是?1到7这样的数字里面任意5个数字相加和值等于20-30的组合各有多少种?他们的排列分别是?任意8个数字相加 1到33之间如果任意6个数相加的和等于92有多少种组合~不可以数字重复 9到16 随便选8个数相加等于50 这样的组合有多少 0到9随便选5个数相加等于11这样的组合有多少 1到33之间所有的数中.任意6个数相加等于(50,51,52,.154,155,156)的是哪6个数?1到33之间所有的数中.任意6个数相加等于50,再任意6个数相加等于51,再任意6个数相加等于52.一直到任意6个数相加等于155. 1-8这些数中,任意五个数相加的和等于21的组合方法有多少种 1到33之间如果任意6个数相加的和等于92有多少种组合想知道1到331之间如果任意6个数相加的和等于92有多少种组合,请朋友给一个准确的答案, 1到22之间任意5个数相加等于60的组合有多少(数和数不要重复的)麻烦帮我说明白有多少组就好 别的我不太明白 1到9任意3个数相加等于10的整数倍的数有哪些 1--18之间任意5个数相加等于26的组合有多少,【数和数不要重复】最好把这些数列列出来 在1到33的这些数字中任意3个数字相加之和等于80的组合有哪些 4-15任意5个数相加等于45和47的组合数字可重复 1到33之间任意 6个数相加等于107的算式有哪些