某二位數可以被4整除 個位數加十位數等於5 下列哪個數字也可以被二位數整除? A.6 B.7 C.8 D.9?
回答 (2)
2015-11-03 2:38 pm
let the number be AB.
AB can be 14, 23, 32, 41, 50
only 32 can be divided by 4.
Therefore AB is 32
32 / 6 = 5 ... 2
32 / 7 = 4 ... 4
32 / 8 = 4 ... 0 (CORRECT)
32 / 9 = 3 ... 5
Therefore, the answer is C, 8
AB can be 14, 23, 32, 41, 50
only 32 can be divided by 4.
Therefore AB is 32
32 / 6 = 5 ... 2
32 / 7 = 4 ... 4
32 / 8 = 4 ... 0 (CORRECT)
32 / 9 = 3 ... 5
Therefore, the answer is C, 8
2015-11-03 2:48 pm
我知道是32 但是為什麼是32
有公式之類的嗎
i knew ab is32
but why ab is 32?
have formula or something can confirm..?
有公式之類的嗎
i knew ab is32
but why ab is 32?
have formula or something can confirm..?
收錄日期: 2021-04-11 21:15:23
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20151103062826AAwvZsD