[計量] If 'x' and 'y' are integers ...
2. If 'x' and 'y' are integers between 12 and 30, then for (5+x)/(7+y)
how many sets of x & y for the given expression will be having same ratio?
ANS:2
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◆ From: 118.166.70.76
※ 編輯: Ph7 來自: 118.166.70.76 (12/10 18:57)
推
12/10 20:16, , 1F
12/10 20:16, 1F
→
12/10 20:46, , 2F
12/10 20:46, 2F
→
12/10 21:31, , 3F
12/10 21:31, 3F
→
12/10 21:36, , 4F
12/10 21:36, 4F
推
12/10 21:56, , 5F
12/10 21:56, 5F
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