【优选】五年级下册数学一课一练-3的倍数特征｜人教新课标（2014秋）（含答案）

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1、《3的倍数特征》同步练习一、单选题1.已知5□13是3的倍数，□中的数字可能是（ ）A. 1                                           B. 2                                           C. 3                                           D. 42.要使32 是3的倍数，可以填（  ）A. 1                                              B. 2                          

2、                    C. 33.要使四位数42  7是3的倍数，横杠内应填（ ）A. 0、3、6、9                                B. 2、5、8                                 C. 任何数字4.既能被3整除又能被5整除的数是（ ）A. 39                                           B. 230                                           C. 6455.同时是2、3、5的倍数的数是（   ）。A.

3、 18                                           B. 75                                           C. 1206.如果3 5是3和5的倍数，那么横线上可能是（  ）。A. 1、4、7                                    B. 2、5、8                                    C. 任何数7.用2、4、9、0组成一个同时是2、3、5的倍数的最小三位数是（ ）A. 240                        

4、              B. 940                                      C. 420                                      D. 9208.下面数中，（  ）既是2的倍数，又是3的倍数。A. 27                                            B. 36                                            C. 199.下面各数中，（　　）是3的倍数．A. 69                            

5、                B. 23                                           C. 11610.要使1280是3的倍数，至少要加上（　　）　A. 1                                              B. 3                                              C. 411.要使三位数“56□”能被3整除，“□”里最大能填（　　）　A. 7                                              B. 8  

6、                                            C. 912.一个三位数是2、3、5的倍数，这个三位数最小是（　　）　A. 100                                       B. 105                                     C. 120                                     D. 99013.一支队伍从排头开始按1至6报数，最后一个人报3，那么这支队伍的人数一定是（　　）A. 2的倍数                     

7、  B. 3的倍数                       C. 5的倍数                       D. 不能确定是几的倍数14.要使一个三位数15□既是2的倍数又是3的倍数，□里有（　　）种不同的填法．　A. 2                                            B. 3                                          C. 4                                            D. 515.下列各组数中能同时被2、3整