B
bandmaster050598


cho p la NST>3
CMR: p co dang 6k+1 hoac 6k+5
xin loi moi nguoi, loi ky thuat
phan b ne
Biet 8p+1 la SNT.CMR: 4p+1 la HS
CMR: p co dang 6k+1 hoac 6k+5
xin loi moi nguoi, loi ky thuat
phan b ne
Biet 8p+1 la SNT.CMR: 4p+1 la HS