2580四位数能组成多少组不同的组合结果答:2580,2508,2805,2850,2058,2085,5820,5802,5280,5208,5028,5082,8025,8052,8250,8205,8502,8520,
请列出用2、5、8、0这四个数字组成的所有四位数(数字可以重复使用)_百度...答:共有:3×4×4×4=192种 2000,2002,2005,2008,2020,2022,2025,2028,2050,2052,2055,2058,2080,2082,2085,2088,2200,2202,2205,2208,2220,2222,2225,2228,2250,2252,2255,2258,2280,2282,2285,2288,2500,2502,2505,2508,2520,2522,2525,2528,2550,2552,2555,2558,2580,2582,2585,2588,2800,...