cho ba diem a,b,c sao cho b nam giua a,c lam the nao chi do hai lan ma biet duoc do dai cua ca ba doan thang ab,bc,ac, hay neu cach lam khac nhau

BT

BUI THI NGOC ANH

10 tháng 12 2015 - olm

#Toán lớp 6

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CV

Cửu vĩ linh hồ Kurama

9 tháng 11 2016

Cho 3 diem thang hang A,B,C sao cho B nam giua A va C.Lam the nao de chi do 2 lan,ma biet duoc do dai cua 3 doan thang AB,BC,AC?hay neu cac cach lam khac nhau.

Giúp mk nha mk cần gấp!!!!!

#Toán lớp 6

1

TH

Thu Hoài

9 tháng 11 2016

chỉ cần đo 1 lần thôi, đó là đo đoạn AC, sau đó chia cho 2 sẽ ra đoạn AB và = BC

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TT

tran thi nhung

4 tháng 11 2016 - olm

biet ba diem a,b,c thang hang diem c nam giua hai diem con lai co the chi do do dai cua hai doan thang ma biet dc ba do dai ab,ac,bc ko giai thich cach lam cua ban

#Toán lớp 6

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ND

ngan dai

1 tháng 11 2015 - olm

ve tuy y 3 diem A , B , C thang hang . Lam the nao de chi do 2 lan ma biet duoc do dai cua cac doan thang AB , BC , CA

#Toán lớp 6

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K

KareNotto

9 tháng 8 2017 - olm

Cho diem C nam giua hai diem A va B, biet AB = 6cm. Goi M va N lan luot la trung diem cua cac doan thang AC va BC.

a) Tinh do dai doan thang MN.

b) Hay neu cach chon diem C de cho do dai doan thang MN gap 3 lan do dai doan MC.

#Toán lớp 6

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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...

Đọc tiếp

#Toán lớp 6

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TM

Trần Minh Châu

19 tháng 11 2017

ttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt

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I

i9oiopjiuphyui

21 tháng 4 2016 - olm

ve goc xOy. ve tia Oz man giua hai tia Ox,Oy. lam the nao chi de do hai lan ma biet duoc so do cua ca ba goc xOy, yOz,xOz. co may cach

#Toán lớp 6

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