Cho biet diem A(m

VD

Vu duy tien

3 tháng 12 2017 - olm

Cho biet diem A(m; 2-m) thuoc do thi cua ham so y=2x-1.hay tim m

#Toán lớp 7

1

VD

Vu duy tien

3 tháng 12 2017

Nhanh len cac ban anh chi oi giup em

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YA

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

#Toán lớp 6

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LH

LÂM HOÀNG KHA

21 tháng 12 2015 - olm

tren tia xy ve doan thang AB sao cho AB = 6cm. Lay dien M nam giua A và B

a. Tinh do dai doan thang MB biet MA=3 cm. M co la trung diem cua A va B khong vi sao

b. Goi I la trung diem cua MA, J la trung diem cua MB. cho biet M có la trung diem cua IJ khong vi sao

#Toán lớp 6

0

LL

luong le tra my

2 tháng 2 2017 - olm

cho tam giac abc .Kla diem chich giua bc.tren ac lay diem M sao cho am 1/3 AC . Noi A voi K ,M voi K

a,Em hay ve hinh va cho biet cos tat ca bao nhieu tam giac?Ke ten tam giac do

b,Tinh dien tich tam giaCC AMK biet diem tich tam giac ABC=360cm vuong

#Toán lớp 5

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NH

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

#Toán lớp 6

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DT

Do Thi Huyen

26 tháng 10 2015 - olm

Cho diem M nam giua hai diem A vaB biet AB=8cm , MB-AM=4cm . Tinh AM va MB .

#Toán lớp 6

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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CT

Cẩm Toàn Trần

18 tháng 10 2015 - olm

Qua 5 diem ko co 3 diem nao thang hang hoi : a) Ve dc bao nhiu duong thang phan biet di qua 2 trong 5 diem. b) Ve dc bao nhiu doan thang phan biet nhan 2 trong 5 diem do la cac diem dau mut . c) Ve dc bao nhiu tam giac phan biet nhan 3 trong 5 diem lam dinh . Ai tra loi nhanh va dung m cho 1 like . Anh em tra loi dc cau nao thi tra loi gium minh

#Toán lớp 7

0

CT

Cẩm Toàn Trần

18 tháng 10 2015 - olm

Qua 5 diem ko co 3 diem nao thang hang hoi : a) Ve dc bao nhiu duong thang phan biet di qua 2 trong 5 diem. b) Ve dc bao nhiu doan thang phan biet nhan 2 trong 5 diem do la cac diem dau mut . c) Ve dc bao nhiu tam giac phan biet nhan 3 trong 5 diem lam dinh . Ai tra loi nhanh va dung m cho 1 like . Anh em tra loi dc cau nao thi tra loi gium minh

#Toán lớp 7

0

JH

Jin Hyun Jung

15 tháng 9 2016

Tim m de duong thang d di qua I(-1;2) co he so goc -m cat (C) tai 3 diem phan biet A, B,I sao cho I la trung diem cua AB biet (C): y=x³+ 3x² +mx+m

#Toán lớp 10

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T

Thành

7 tháng 3 2017 - olm

Cho tam giac ABC vuong o A. Biet AB = 10cm va AC = 15cm. Tren BC lay trung diem M, tren AC lay diem D sao cho DC = 1/3 AC. Noi B voi A, D voi M cat nhau tai diem I. Tinh dien tich tu giac IMCD.

#Toán lớp 5

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