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将0-9这十个数字分别填入下面算式的()内,每个数字只能用一次:那么满足条件的正确填法有几种

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将0-9这十个数字分别填入下面算式的()内,每个数字只能用一次:那么满足条件的正确填法有几种
()+()()+()()()=()()()()
将0-9这十个数字分别填入下面算式的()内,每个数字只能用一次:那么满足条件的正确填法有几种
54种:
1 :3+45+978 = 1026
2 :3+48+975 = 1026
3 :3+75+948 = 1026
4 :3+78+945 = 1026
5 :4+37+985 = 1026
6 :4+85+937 = 1026
7 :4+87+935 = 1026
8 :5+37+984 = 1026
9 :5+43+978 = 1026
10 :5+48+973 = 1026
11 :5+73+948 = 1026
12 :5+78+943 = 1026
13 :5+84+937 = 1026
14 :5+87+934 = 1026
15 :7+34+985 = 1026
16 :7+35+984 = 1026
17 :7+84+935 = 1026
18 :7+85+934 = 1026
19 :8+43+975 = 1026
20 :8+45+973 = 1026
21 :8+73+945 = 1026
22 :8+75+943 = 1026
23 :2+47+986 = 1035
24 :2+86+947 = 1035
25 :2+87+946 = 1035
26 :6+47+982 = 1035
27 :6+82+947 = 1035
28 :6+87+942 = 1035
29 :7+42+986 = 1035
30 :7+46+982 = 1035
31 :7+82+946 = 1035
32 :7+86+942 = 1035
33 :2+67+984 = 1053
34 :2+84+967 = 1053
35 :2+87+9⑥4 = 1053
36 :4+67+982 = 1053
37 :4+82+967 = 1053
38 :4+87+962 = 1053
39 :7+62+984 = 1053
40 :7+⑥4+982 = 1053
41 :7+82+9⑥4 = 1053
42 :7+84+962 = 1053
43 :3+74+985 = 1062
44 :3+75+984 = 1062
45 :3+84+975 = 1062
46 :3+85+974 = 1062
47 :4+73+985 = 1062
48 :4+75+983 = 1062
49 :4+83+975 = 1062
50 :4+85+973 = 1062
51 :5+73+984 = 1062
52 :5+74+983 = 1062
53 :5+83+974 = 1062
54 :5+84+973 = 1062
再问: 可是答案是60种,不知道还有什么,不过谢谢你的答案