从下面四张数字卡片中取出三张,按要求组成3位数。 4 3 0 5答:奇数:403,453,503,543 ,405,305,偶数:430,340,450,540,350,530,354,534,304,504 2的倍数:430,340,450,540,350,530,354,534,304,504 5的倍数:405,305,345,435,430,340,450,540,350,530,3的倍数:453,543,504,540,450,405 既是2的倍数又是3的倍数:534,354,504,540,...
从下面四张数字卡片中取出三张,按要求组成三位数。答:3的倍数:480,408,804,840,540,504,405,450 既是2的倍数又是3的倍数:480,408,804,840,540,504,450