1.Suppose Kaite has x $10-notes. She spends $33 to buy a meal. Find the amount that Kaite remains.(Leave your answer in terms of x.)
2.The sum of 3 consecutive odd numbers is 39. Find the three numbers.
中一英文Maths題~急~20分大贈送
2014-08-07 10:39 pm
回答 (5)
2014-08-07 10:56 pm
✔ 最佳答案
1. 10x - 332. 39/2 = 13
13-2=11
13+2=15
∴Those 3 consecutive odd numbers are 11, 13, 15
2014-08-07 21:58:34 補充：
是的 是39/3 不是39/2 sorry!
2014-08-08 9:53 pm
1. $10 x X - $33 =$(10X - 33)
2. 39 / 3 = 13
13 + 2 = 15
13 - 2 = 11
=11 , 13 , 15
2. 39 / 3 = 13
13 + 2 = 15
13 - 2 = 11
=11 , 13 , 15
2014-08-08 6:35 am
Nice check, Mr. Kwok!
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2014-08-08 5:14 am
2.
39/2 = 13 <--- 39/3 = 13
13-2=11
13+2=15
∴Those 3 consecutive odd numbers are 11, 13, 15
39/2 = 13 <--- 39/3 = 13
13-2=11
13+2=15
∴Those 3 consecutive odd numbers are 11, 13, 15
2014-08-07 11:14 pm
1. $10x-33
2. 15
2. 15
收錄日期: 2021-04-15 16:08:06
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