hello help
tim x biet
x/5=y/7 va xy=150
ai tra loi kb nua nhe minh tk cho bn nao nhanh nhat
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
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
tren mat phang toa do oxy cho 2 diem p (2;7) va q (7;2) khi do
cau tra loi 1 p khong trung q
cau tra loi 2 pva q cung nam tren truc qx
cau tra loi 3 p va q nam trong truc ox
cau tra loi 4 p trung q
minh dang thi moi nguoi giup minh tra loi cau nay nhe
a) \(\frac{\left(x+\frac{3}{4}\right)\cdot\frac{7}{2}-\frac{1}{6}}{-\left(\frac{4}{5}+\frac{1}{3}\right)\cdot\frac{1}{2}+1}=2\frac{33}{52}\)
b) \(\frac{\left(5-\frac{2}{7}\right)\cdot\frac{7}{9}:\frac{3}{5}}{\left(3x-\frac{5}{6}\right):\frac{1}{7}}=5\frac{5}{21}\)
Bài 7: Tìm x biết
CAC BAN GIUP MK NHA
AI CO CAU TRA LOI NHANH NHAT VA CHINH XAC NHAT THI MK TICK CHO
4x=84
4x=3224
8x=1612
16x=328
32x=1610
ban nao tra loi nhanh va dung nhat minh se tich 3 tich
bai 1: a) tim p/s co mau so bang 10, lon hon -7/13, nho hon -4/13
b) tim 10 so a/b biet -1/2<a/b<1/2
c) tim cac p/s -3/5<a/20<-1/4
ai tra loi nhanh va dung mk tick cho
CHO GOC BET aOb TREN CUNG 1 NUA MAT PHANG BO AB. VE CAC TIA OC VA OD SAO CHO GOC AOC=60 DO; GOC BOD = 1/2 GOC AOC. CHUNG TO RANG 2 TIA OC VA OD VUONG GOC VOI NHAU.'
AI TRA LOI NHANH NHAT MINH TICK CHO 3 CAI VA KET BAN NHE. THE LUON.
