Cho biet ba duong thang m,n,p cung di qua mot diem va ba duong thang m,n,q cung di qua mot diem chung to rang ca bon duo...

NT

Nguyễn Thành Hưng

20 tháng 5 2020 - olm

tren mat phang cho n duong thang trong do bat ky hai duong thang nao cung cat nhau va khong co ba duong thang nao cung di qua mot diem. biet rang tong so giao diem ma n duong thang do tao ra bang 465.tim n

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0

QT

Quản Thu Hằng

3 tháng 1 2016 - olm

Cho 210 duong thang trong do bat cu hai duong thang nao cung cat nhau va co 6 duong thang cung di qua mot diem.Tinh so giao diem cua chung
Cho 101 duong thang trong do bat cu hai duong thang nao cung cat nhau va co ba duong thang cung di qua 1 diem.Tinh so giao diem cua chung

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0

DC

Dinh Cuong

29 tháng 3 2017 - olm

cho 2 diem M va N nam Cung phia voi A , nam cung phia doi voi B . Diem M nam giua A va B . biet AB =3cm,BN=1cm.chung to rang:

a, bon diem ABMN thang hang

b, diem N la trung diem cua doan MB

c , ve dung tron tam N di qua B va duong tron tam A di qua N , chung cat nhau tai C tinh chu vi tam giac CAN

#Toán lớp 6

1

DC

Dinh Cuong

29 tháng 3 2017

AB=5cm , Am=3 ,BN=1 sua loi

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DC

Dinh Cuong

29 tháng 3 2017 - olm

cho 2 diem M va N nam Cung phia voi A , nam cung phia doi voi B . Diem M nam giua A va B . biet AB =3cm,BN=1cm.chung to rang:

a, bon diem ABMN thang hang

b, diem N la trung diem cua doan MB

c , ve dung tron tam N di qua B va duong tron tam A di qua N , chung cat nhau tai C tinh chu vi tam giac CAN

#Toán lớp 6

0

TT

tran tuan hung

14 tháng 11 2014 - olm

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?

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DH

Đỗ hùng cường

25 tháng 8 2017 - olm

-mot duong thang q

-motdiem p nam tren duong thang q

-mot diem t khong thuoc duong thang q

-duong thang b di qua hai diem q va t

-mot diem u khong nam tren duong thang pt dong thoi no khong thuoc duong thang q va duong b khong di qua diem u

#Toán lớp 6

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NT

Nguyễn Trường Sơn

22 tháng 7 2016 - olm

lay muoi mot diem M,N,P,Q,A,D,F,G,R,T,S trong do khong co ba diem nao thang hang . Ke cac duong thang di qua cac cap diem . Co bao nhieu duong thang ( phan biet ) ? Viet ten cac duong thang do .

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0

PL

pham linh lan

15 tháng 11 2015 - olm

QUA HAI DIEM VE DUOC MOT DUONG THANG . MOT HOC SINH SAU KHI VE VA DEM DUOC 69 DUONG THANG , TRONG DO CHI CO MOT DUONG THANG DI QUA 5 DIEM , NGOAI RA KHONG CO BA DIEM NAO THANG HANG . HOI CO TAT CA BAO NHIEU DIEM DA CHO ?

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0

HD

Hoàng Diệu Anh

27 tháng 11 2016 - olm

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...

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#Toán lớp 6

1

TM

Trần Minh Châu

19 tháng 11 2017

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