bai toan trong 1 bảng cúp bóng đá thế giới tổng số diem cua 4 doi la 16 diem. ? có may tran thang , co may tran thua ? biet doi thang duoc 3 diem doi thua 0 diem hoa duoc 1 diem
Những câu hỏi liên quan
1 giai bong da co 4 doi A, B, C, D tham gia. Moi doi dau voi tung doi con lai mot tran. Doi thang duoc 3 diem, doi thua duoc 0 diem, neu hoa moi doi duoc 1 diem. Hoi co may tran hoa va tran dau giua doi A voi doi C co ket qua nhu the nao?
Trong ky thi Word Cup o vong loai co 32 doi tham gia, duoc chia thanh 8 bang , moi bang thi dau theo the thuc vong tron mot luot tinh diem , doi thang duoc 3 diem , doi thua ko duoc diem nao, hoa thi moi doi duoc 1 diem. Ket thuc, tong so diem cua 8 bang la 120 diem. Hoi co bao nhieu tran hoa ?
Cac ban giup minh nha
trong ki thi bong da vong loai co 32 doi tham gia chia thanh 8 bang moi bang thi dau theo the thuc 1 vong tron 1 luot tinh diem doi thang 3 diem doi thua khong duoc diem nao hoa 1 diem ket thuc vong loai tong so diem cua 8 bang =120 hoi co bao nhieu tran hoa
Bai 1:Cho n duong thang (n>2) doi mot cat nhau va ko co 3 duong thang nao cung di qua mot diem. Hoi so giao diem n duong thang noi tren co the la 2014 duoc ko?
Bai 2; ve 4 duong thang phan biet va cat nhau doi mot.So giao diem co the la bao nhieu?
Trong mot cuoc thi tra loi cau hoi. Mot doi phai tra loi 12 cau hoi moi cau dung thi duoc 5 diem , moi cau sai bi tru 3 diem, khong tra loi thi khong co diem nao.Tong so diem doi do dat duoc la 11 diem .Hoi doi do tra loi dung may cau ? Sai may cau.................ai biet thi tra loi nhanh ho minh voi nha................. khan cap, khan cao
1. Tren 1 duong thang xy lay 4 diem phan biet A,B,C,D hay chi ra cac tia doi nhau
2. cho 10 diem trong do khong co ba diem thang hang . Cu qua hai diem ta ve duoc 1 duong thang . Hoi co tat ca bao nhieu duong thang?
3. cho n diem trong do khong co ba diem nao thang hang . Cu qua hai diem trong so cac diem do ve duoc 1 duong thang. Biet rang co 435 duong thang tao thanh .Tim n?
Co 5 doi tham gia du thi toan dong doi. Tong so diem cua ca 5 doi la 144 diem va that thu vi la ca 5 doi deu dat mot trong 3 giai : nhat ( 30 diem ) ; nhi (29 diem) ; ba (28 diem)
Chung minh so doi dat giai 3 hon so doi dat giai nhat 1 doi
Cau 5: Trong cac khang dinh sau, khang dinh nao dung, khang dinh nao sai?1.Ba diem phan biet la ba diem thang hang.2.Voi ba diem phan biet luon co hai diem nam ve cung phia doi voi diem con lai.3.Voi ba diem thang hang phan biet luon co hai diem nam khac phia voi diem con lai.4.Voi ba diem A,B,C thang hang thi diem B luon nam giua hai diem A,C.5.Co mot va chi mot duong thang di qua hai diem (phan biet) cho truoc.6.Hai duong thang phan biet thi song song voi nhau.7.Hai tia chung goc thi cung nam...
Đọc tiếp
Cau 5: Trong cac khang dinh sau, khang dinh nao dung, khang dinh nao sai?
1.Ba diem phan biet la ba diem thang hang.
2.Voi ba diem phan biet luon co hai diem nam ve cung phia doi voi diem con lai.
3.Voi ba diem thang hang phan biet luon co hai diem nam khac phia voi diem con lai.
4.Voi ba diem A,B,C thang hang thi diem B luon nam giua hai diem A,C.
5.Co mot va chi mot duong thang di qua hai diem (phan biet) cho truoc.
6.Hai duong thang phan biet thi song song voi nhau.
7.Hai tia chung goc thi cung nam tren mot duong thang.
8.Hai tia chung goc thi doi nhau
9.Neu diem M nam giua diem A,B thi no la trung diem cua doan thang AB.
10.Neu MA=MB thi M la trung diem cua doan thang AB.
11.Neu MA+MB= AB va MA=MB thi M la trung diem cua doan thang AB.
ttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt
Đúng 0
Bình luận (0)
An tham gia dau co . Moi van thang +10 diem, thua tru 15 diem.het giai dau duoc 150 diem . Hoi an thang may van