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...

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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

#Hỏi cộng đồng OLM #Toán lớp 6

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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

#Hỏi cộng đồng OLM #Toán lớp 6

Dinh Cuong

29 tháng 3 2017

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

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nguyen huu an

31 tháng 3 2017 - olm

cho hai diem M va N nam cung phia doi voi A,nam cung phia doi voi B. diem M nam giua Ava B biet Ab =5 cm AM =3cm BN=1cm .CMR BON DIEM A ,B , M,M nam thang hang va diem N la trung diem cua doan thang MB

#Hỏi cộng đồng OLM #Toán lớp 6

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...

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#Hỏi cộng đồng OLM #Toán lớp 6

Trần Minh Châu

19 tháng 11 2017

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nguyễn thị thùy dung

5 tháng 11 2018 - olm

cho cac diem A va B thuoc duong thang a .diem C nam giua A va B .diem D nam giua C va B

a)tim tren duong thang a nam cung phia doi voi diem C diem nam khac phia doi voi diem C

b) tim tren hinh ve cac tia doi nhau goc C ,cac tia trung nhau goc C

c) vi sao diem C nam giua A va D

#Hỏi cộng đồng OLM #Toán lớp 6

bùi thị phúc an

28 tháng 8 2021 - olm

Ve tren cung mot hinh theo cach dien dat sau :

a)Ve 4 diem A ,B ,C D sao cho C nam giua A, B va 3 diem A, B D ko thang hang . Hay ve va ke ten duong thang (phan biet) di qua tung cap diem .

b) Ve diem E sao cho E va D nam khac phia doi voi A . Ve diem F sao cho C,E,F thang hang va F thuoc duong thang DB

#Hỏi cộng đồng OLM #Toán lớp 6

Lê Trần Như Uyên

9 tháng 4 2016 - olm

ve(A;3cm) ve M thuoc (A;3cm) ve N khong thuoc (A;3cm) so sanh AN va AM

bai 2:ve(O;3cm) ve OA=5cm cat duong tron tam o tai B ve (B;2cm)

a)cho biet vi tri diem O,diem A doi voi (B;2cm)

b)duong tron(B;2cm) catOB tai M. chung to M la trung diem cua OB

#Hỏi cộng đồng OLM #Toán lớp 6

Hoang Quoc Anh

27 tháng 11 2014 - olm

cho 3 diem A,B,C khong thang hang

a)Ve duong thang AB, doan thang BC,tia AC.Lay dien M tren duong thang AB sao cho B,M nam cung phia so voi diem A

b)Ve tia Ax la tia doi cua tia AC.Lay diem N sao cho A la trung diem cua doan CN(ve tren cung 1 hinh)

#Hỏi cộng đồng OLM #Toán lớp 6

bui tien dung

19 tháng 11 2017

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Trần Minh Châu

19 tháng 11 2017

uytyyyy

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nguyen minh thu

17 tháng 11 2015 - olm

cho 3 diem A,B,C khong thang hang.Ve 2 tia AB , AC

Ve duong thang a di qua 2 diem B va C

Ve 2 tia Ay cat duong thang BC tai diem N ( N khong nam giua B va C )

Ve tia doi cua tia Ay.Tren tia doi cua Ay lay diem M sao cho AM=3cm

Giai chi tiet rui mik like nha

#Hỏi cộng đồng OLM #Toán lớp 6

Yuuki Asuna

8 tháng 7 2018 - olm

ve 4 diem A,B,M,N sao cho diem A nam giua M va B , diem N nam giua A va B

a ) hay cho biet diem A nam giua 2 diem nao .

b ) Tim cac diem nam cac phia doi voi A

#Hỏi cộng đồng OLM #Toán lớp 6

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