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将0~9分别填入右式的方框里,满足右式的填法共有多少种? 方框是这样的:□□□□-□□□=□□

来源:学生作业帮 编辑:百度作业网作业帮 分类:数学作业 时间:2024/05/01 03:25:47
将0~9分别填入右式的方框里,满足右式的填法共有多少种? 方框是这样的:□□□□-□□□=□□
谢谢啦
将0~9分别填入右式的方框里,满足右式的填法共有多少种? 方框是这样的:□□□□-□□□=□□
1023 - 945 = 78
1023 - 948 = 75
1023 - 975 = 48
1023 - 978 = 45
1032 - 945 = 87
1032 - 947 = 85
1032 - 954 = 78
1032 - 958 = 74
1032 - 974 = 58
1032 - 978 = 54
1032 - 985 = 47
1032 - 987 = 45
1034 - 956 = 78
1034 - 958 = 76
1034 - 976 = 58
1034 - 978 = 56
1036 - 952 = 84
1036 - 954 = 82
1036 - 982 = 54
1036 - 984 = 52
1043 - 956 = 87
1043 - 957 = 86
1043 - 965 = 78
1043 - 968 = 75
1043 - 975 = 68
1043 - 978 = 65
1043 - 986 = 57
1043 - 987 = 56
1045 - 962 = 83
1045 - 963 = 82
1045 - 982 = 63
1045 - 983 = 62
1047 - 962 = 85
1047 - 965 = 82
1047 - 982 = 65
1047 - 985 = 62
1056 - 972 = 84
1056 - 974 = 82
1056 - 982 = 74
1056 - 984 = 72
一共40个~