Hương Yêu Dấu
20/08/2017 at 20:25-
Help you solve math 20/08/2017 at 20:28Multiplies of 3,4,5 => Multiplies of 60 (3.4.5)
So the numbers satisfy is: 60,120,180,240,300,360,420,480.60,120,180,240,300,360,420,480.So there are 8 positive integers satisfy the question
Hương Yêu Dấu selected this answer.
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Luffy xyz 123 20/08/2017 at 20:51I don't know this question
Because i don't very good at English
Sorry so much.
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Help you solve math 20/08/2017 at 20:40
Dao Trong Luan was wrong
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Dao Trong Luan 20/08/2017 at 20:35Tell the numbers of this answer is a
=> a\(⋮3,4,5\) and \(0\le a\le499\)
We have:
3 = 3
4 = 22
5 = 5
=> \(LCM\left(3,4,5\right)=2^2.3.5=60\)
=> The multiples of all numbers 3, 4 and 5 is multiples of 60
=> a \(\in\left\{0,60,120,180,240,300,360,420,480,...\right\}\)
But \(0\le a\le499\)
=> a \(\in\left\{0,60,120,180,240,300,360,420,480\right\}\)
So there are 9 numbers