bai tim x
cau a |x-1/2 |=4
caub |x+3/4|-1/2=1
cau c 1/2+|x-4/3|=2
cau d |3x-1|+2=1
cau e |5/6+x|=3
tim n
cau a ; (9/25)^n=(3/5)^4
cau b ; (2^n-2)^2=16
cau c (1-x)^3=216
3^x^2-3^x=162
Cau 1; cho\(\frac{x}{2}=\frac{y}{5}\)vaxy=90. So cap (x;y) thoa man la
Cau 2 : Cho a+d=b+c va \(a^2+d^2=b^2+c^2\)(b,d khac 0).Khi do 4 so lap thanh ti le thuc nao
Cau 3 :GTLN cua phan so \(\frac{7n-8}{2n-3}\)
Cau 4: Cho A=\(\frac{12}{x-15}\) dieu kien de 0<A<1 va A>1
Cau 5 ; tim x biet /-x-5//x=5=10
Cau 6: tap hop cac so nguyen cua x thoa man (3x^2-51)^2014=(-24)^2014
Cau 7: tap hop cac so thoa man /x-y/+/y+9/25/=0
chỉ cau 3 giúp mk
hien nay anh hon em 8 tuoi.Tuoi cau anh truoc dau 5 nam va tuoi em sao day 8 nam nua thi ti le voi cau so 3 va 4 .Tinh tuoi moi nguoi hien nay
https://hoc24.vn/cau-hoi/.5167519368813 giúp với
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
https://hoc24.vn/cau-hoi/.5140088435682 giúp với ạ
ba xi nghiep cung xay mot cay cau het 38 trieu dong . xi nghiep 1 co 40 xe o cach cau 1,5 km . xi nghiep 2 co 20 xe o cach cau 3km . xi nghiep 3 co 30 xe o cach cau 1km. hoi moi xi nghiep phai tra cho viec xay cau la ? tien , biet rang so tien phai tra ti le thuan voi so xe va ti le nghich voi khoang cach tu xi nghiep den cau