[國小] 請問乘數是否可以為0?消失
今天和其他老師討論中低年級的數學算式要求,
講著講著,
有老師舉例說:被乘數和乘數,
在應用問題中,
是一定要要求的。
後來想到曾經有學生問:
1. 為什麼除數不得為0。
(我的回答是這樣的算式無意義...
但為什麼無意義?)
2. 乘數可不可以為0呢?
(我不確定這問題的答案。)
以上兩個疑問,
請問版上有沒有老師可以回答我?
感激不盡。
--
※ 發信站: 批踢踢實業坊(ptt.cc)
→
09/15 16:42, , 1F
09/15 16:42, 1F
推
09/15 16:43, , 2F
09/15 16:43, 2F
→
09/15 16:44, , 3F
09/15 16:44, 3F
推
09/15 17:10, , 4F
09/15 17:10, 4F
→
09/15 17:11, , 5F
09/15 17:11, 5F
→
09/15 17:11, , 6F
09/15 17:11, 6F
推
09/15 17:13, , 7F
09/15 17:13, 7F
→
09/15 17:13, , 8F
09/15 17:13, 8F
推
09/15 17:53, , 9F
09/15 17:53, 9F
推
09/15 18:00, , 10F
09/15 18:00, 10F
→
09/15 18:01, , 11F
09/15 18:01, 11F
→
09/15 18:02, , 12F
09/15 18:02, 12F
→
09/15 18:03, , 13F
09/15 18:03, 13F
→
09/15 18:09, , 14F
09/15 18:09, 14F
→
09/15 18:10, , 15F
09/15 18:10, 15F
→
09/15 18:11, , 16F
09/15 18:11, 16F
→
09/15 18:14, , 17F
09/15 18:14, 17F
→
09/15 18:15, , 18F
09/15 18:15, 18F
→
09/15 18:16, , 19F
09/15 18:16, 19F
→
09/15 18:18, , 20F
09/15 18:18, 20F
→
09/15 18:19, , 21F
09/15 18:19, 21F
→
09/15 18:22, , 22F
09/15 18:22, 22F
→
09/15 18:23, , 23F
09/15 18:23, 23F
→
09/15 18:25, , 24F
09/15 18:25, 24F
推
09/15 18:43, , 25F
09/15 18:43, 25F
→
09/15 18:46, , 26F
09/15 18:46, 26F
→
09/15 18:47, , 27F
09/15 18:47, 27F
→
09/15 18:48, , 28F
09/15 18:48, 28F
→
09/15 18:50, , 29F
09/15 18:50, 29F
→
09/15 18:51, , 30F
09/15 18:51, 30F
→
09/15 18:52, , 31F
09/15 18:52, 31F
推
09/15 19:32, , 32F
09/15 19:32, 32F
→
09/15 20:09, , 33F
09/15 20:09, 33F
→
09/15 20:10, , 34F
09/15 20:10, 34F
→
09/15 20:11, , 35F
09/15 20:11, 35F
→
09/15 20:12, , 36F
09/15 20:12, 36F
→
09/15 20:13, , 37F
09/15 20:13, 37F
→
09/15 20:14, , 38F
09/15 20:14, 38F
推
09/15 21:06, , 39F
09/15 21:06, 39F
推
09/15 21:14, , 40F
09/15 21:14, 40F
→
09/15 21:17, , 41F
09/15 21:17, 41F
→
09/15 21:19, , 42F
09/15 21:19, 42F
推
09/15 21:38, , 43F
09/15 21:38, 43F
→
09/15 21:38, , 44F
09/15 21:38, 44F
→
09/15 21:39, , 45F
09/15 21:39, 45F
→
09/15 21:39, , 46F
09/15 21:39, 46F
推
09/15 21:43, , 47F
09/15 21:43, 47F
→
09/15 21:43, , 48F
09/15 21:43, 48F
推
09/15 21:46, , 49F
09/15 21:46, 49F
→
09/15 21:47, , 50F
09/15 21:47, 50F
推
09/15 21:51, , 51F
09/15 21:51, 51F
→
09/15 21:52, , 52F
09/15 21:52, 52F
推
09/15 21:53, , 53F
09/15 21:53, 53F
→
09/15 21:53, , 54F
09/15 21:53, 54F
推
09/15 21:56, , 55F
09/15 21:56, 55F
→
09/15 22:33, , 56F
09/15 22:33, 56F
→
09/15 22:34, , 57F
09/15 22:34, 57F
→
09/18 20:49, , 58F
09/18 20:49, 58F
推
09/20 15:34, , 59F
09/20 15:34, 59F
討論串 (同標題文章)