Tìm số tự nhiên nhỏ nhất có 6 ước
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27 tháng 11 2016
\(\left|-120\right|+45-31-75\)
\(=120+45-31-75\)
\(=59\)
19 tháng 11 2017
ttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt
Q
27 tháng 11 2016
=> có 7 đoạn thẳng
=> có 11 tia
=> 1 đường thẳng
nếu muốn liệt kê các đoạn thẳng + tia thì bạn gửi tin nhắn cho mình nhé
số 4 nhé bạn vì Ư(3)={-1;1;-2;2;-4;4}
số đó là 60 nha bạn
ước là 1,2,3,4,5,6,10,12,15,20,30,60