四个数字加起来等于50的哪些{在1~20之间}

四个数字加起来等于50的哪些{在1~20之间}

1+10+19+20, 1+11+18+20, 1+12+17+20, 1+12+18+19,
1+13+16+20, 1+13+17+19, 1+14+15+20, 1+14+16+19,
1+14+17+18, 1+15+16+18, 2+9+19+20, 2+10+18+20,
2+11+17+20, 2+11+18+19, 2+12+16+20, 2+12+17+19,
2+13+15+20, 2+13+16+19, 2+13+17+18, 2+14+15+19,
2+14+16+18, 2+15+16+17, 3+8+19+20, 3+9+18+20,
3+10+17+20, 3+10+18+19, 3+11+16+20, 3+11+17+19,
3+12+15+20, 3+12+16+19, 3+12+17+18, 3+13+14+20,
3+13+15+19, 3+13+16+18, 3+14+15+18, 3+14+16+17,
4+7+19+20, 4+8+18+20, 4+9+17+20, 4+9+18+19,
4+10+16+20, 4+10+17+19, 4+11+15+20, 4+11+16+19,
4+11+17+18, 4+12+14+20, 4+12+15+19, 4+12+16+18,
4+13+14+19, 4+13+15+18, 4+13+16+17, 4+14+15+17,
5+6+19+20, 5+7+18+20, 5+8+17+20, 5+8+18+19,
5+9+16+20, 5+9+17+19, 5+10+15+20, 5+10+16+19,
5+10+17+18, 5+11+14+20, 5+11+15+19, 5+11+16+18,
5+12+13+20, 5+12+14+19, 5+12+15+18, 5+12+16+17,
5+13+14+18, 5+13+15+17, 5+14+15+16, 6+7+17+20,
6+7+18+19, 6+8+16+20, 6+8+17+19, 6+9+15+20,
6+9+16+19, 6+9+17+18, 6+10+14+20, 6+10+15+19,
6+10+16+18, 6+11+13+20, 6+11+14+19, 6+11+15+18,
6+11+16+17, 6+12+13+19, 6+12+14+18, 6+12+15+17,
6+13+14+17, 6+13+15+16, 7+8+15+20, 7+8+16+19,
7+8+17+18, 7+9+14+20, 7+9+15+19, 7+9+16+18,
7+10+13+20, 7+10+14+19, 7+10+15+18, 7+10+16+17,
7+11+12+20, 7+11+13+19, 7+11+14+18, 7+11+15+17,
7+12+13+18, 7+12+14+17, 7+12+15+16, 7+13+14+16,
8+9+13+20, 8+9+14+19, 8+9+15+18, 8+9+16+17,
8+10+12+20, 8+10+13+19, 8+10+14+18, 8+10+15+17,
8+11+12+19, 8+11+13+18, 8+11+14+17, 8+11+15+16,
8+12+13+17, 8+12+14+16, 8+13+14+15, 9+10+11+20,
9+10+12+19, 9+10+13+18, 9+10+14+17, 9+10+15+16,
9+11+12+18, 9+11+13+17, 9+11+14+16, 9+12+13+16,
9+12+14+15, 10+11+12+17, 10+11+13+16, 10+11+14+15,
10+12+13+15, 11+12+13+14, 共有138组数据满足条件!