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 Gửi lúc - 28/02/2003 : 19:25:05  
Cha`o cac ju love VAT ly' Ung Dung"
Mong se~ co' them nhieu y' tuong moi' gui ve`
Cau hoi ky` na`y la`:
1.Hay tao ra 1 dong dien chay den` pin tu` 1 bien ap 220v/6vDV
1 bi`nh accid lay tu` xe may' va` 1 vai` vi thiet bi dien tro~
don gian~.
2.Khi lac trong ru`ng khi dang picnic hay tao ngon lua tu` cay
we hoac 1 ho`n da' co' lo^~ o~ giua.
3.tu thiet ke' "la ban" dua vao` 1 cay kim,nam cham,va` cac
kien thuc chiem tinh hoc.
Cau hoi se~ co`n nua~ chao` cac po^`.
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Sang tao "VAT Ly' Ung Dung"
