当前位置: X题卡 > 所有题目 > 题目详情

13×5×2=13×(5×2)=13×10=130,只运用了乘法结合律.   .(判断对错)

查看本题答案

你可能感兴趣的试题

         
(15,2,4,18,16,5,8,24,17,9,13,25)  (2,9,4,25,15,16,13,18,17,5,8,24)  (9,4,16,15,2,13,18,17,5,8,24,25)  (9,16,4,25,2,5,13,18,5,17,8,24)  
﹣5   5   ﹣13   ﹣13或5  
14,2,4,19,15,5,9,23,17,10,13,26  2,9,4,26,14,15,13,19,17,5,9,23  10,4,15,14,2,13,19,16,5,9,23,26  10,15,4,2,14,13,19,16,5,9,23,26  
(15,2,4,18,16,5,8,24,17,9,13,25)  (9,4,16,15,2,13,18,17,5,8,24,25)  (2,9,4,25,15,16,13,18,17,5,8,24)  (9,16,4,25,2,15,13,18,5,17,8,24)  
14,2,4,19,15,5,9,23,17,10,13,26  12,9,4,26,14,15,13,19,17,5,9,23  10,4,15,14,2,13,19,16,5,9,23,26  10,15,4,2,14,13,19,16,5,9,23,26  
(15,2,4, 18, 16, 5,8,24,17,9,13,25)  (2, 9, 4, 25, 15, 16, 13, 18, 17, 5, 8, 24)  (9, 4, 16, 15, 2, 13, 18, 17, 5, 8, 24, 25)  (9, 16, 4, 25, 2, 15, 13, 18, 5, 17, 8, 24)  
42    40    43    45  

热门试题

更多