0123456789上面四位数,减三位数,结果是三位数,每个数字只能用一次,
问题描述:
0123456789上面四位数,减三位数,结果是三位数,每个数字只能用一次,
答
答过类似问题.1026 - 437 = 5891026 - 439 = 5871026 - 487 = 5391026 - 489 = 5371035 - 246 = 7891035 - 249 = 7861035 - 286 = 7491035 - 289 = 7461053 - 264 = 7891053 - 269 = 7841053 - 284 = 7691053 - 289 ...