这样的题目太多了，简单列举50道： 210/21= 230/10= 648/24= 650/25= 308/14= 552/23= 744/24= 465/15= 384/16= 286/26= 580/29= 462/22= 750/25= 170/10= 775/31= 702/26= 182/13= 810/27= 638/29= 400/16= 276/23= 464/29= 208/16= 651/31= 169/13= 195/13= 440/20= 208/13= 598/26= 286/11= 121/11= 324/27= 486/18= 437/19= 520/20= 476/28= 351/13= 132/11= 154/14= 360/15= 330/15= 504/28= 256/16= 600/25= 493/17= 320/16= 676/26= 550/55= 399/21= 288/24=
