Các câu hỏi tương tự
so sánh hai số:a=0,(51) va b= 0,5(15) ta được:
ai lm nhanh dug mk like cko? mau len sap het gio ui
Gia tri x thoa man:
x2 - xy = -18
va: x-y = 3
Giup mk vs nha!!!!
gia tri cua x thoa man
(2x-1)^3=-8
Cap so (x;y) nao thoa man dang thuc sau: 3^2x+1.7^y=9.21^x
Cac ban giup mk voi!!! Mai phai nop oi!!!!!!!!
so cac gia tri cua x thoa man |x-5|/|x-3|=|x-1|/|x-3|
gia tri x >0 thoa man x/3/50=2/3/xla x=
(nhap ket qua duoi dang phan so toi gian)
cac ban giup minh nha
cho4 so ko am a,b;c;d thoa man a+b+c+d=1 . Goi S la tong cac tri tuyet doi cua hieu tung cap so co duoc tu 4 so nay. S co the dat gia tri lon nhat la bao nhieu ?
xin loi cac ban vi cau hoi cua minh ko co dau nen hoi kho hieu mong cac ban giup do nha thankyou
c1: Tap hop cac gia tri nguyen cua x thoa man \(\left(x+\frac{5}{4}\right)\left(x-\frac{19}{7}\right)\)<0
c2: Neu x,y la cac so nguyen thoa man 2xy+4y=6 thi y co the nhan nhung gia tri nam trong tap hop nao
c3: tim 3 so x,y,z biet x+y=8,x+z=10,y+z=12
C4: Gia tri cua x thoa man (x+3)^2=25 va x^3>0 la x=
tap hop cac so huu ti thoa man gia tri tuyet doi cua x-5=x+3
ai dung minh tich cho