0,4,7,8组成三位数,1.组成奇数?2.组成合数?3.组成3的陪数?4.组成5的倍数?5.是2.3的陪数.6.是2.5的陪数?
问题描述:
0,4,7,8组成三位数,1.组成奇数?2.组成合数?3.组成3的陪数?4.组成5的倍数?5.是2.3的陪数.6.是2.5的陪数?
7.是3.5的陪数?8.是2.3.5.的倍数?
答
1.407,807,487,8472.704,407,470,740,804,408,840,480,708,807,870,780,784,748,478,874.3.480,840,408,804,780,870,708,8074.870,780,740,470,480,8405.480,840,408,804,780,870,7086.870,780,480,840,470,7407.780...