tim phan so co mau bang 7, lon hon -5/9 va nho hon -2/9 ?
Tim phan so co tu bang 7, lon hon\(\frac{10}{13}\)va nho hon \(\frac{10}{11}\)
cho ham so y= f(x) =6/x
tinh f(1) ; f(1.5) ;f(2) ;f(3) ;f(-2/3)
tim x biet y=3 ; y=-2
tim y biet 1<x>3 ; 1.5 be hon hoac bang x lon hon hoac bang 6
diem nao trong cac diem sau day khong thuoc do thi ham s
A(-1;-6 ) ; B(-0.5 ;-12 ) ;C(-0.5 ; -13 ) ; D(-1/3 ; -3 )
tim 2 p/s co tu bang 9. biet rang gia tri moi p/s do lon hon -11/13 va nho hon -11/15
tim 2 phan so co tu la 9 biet gia tri moi phan so do lon hon -11/13 va nho hon -11/15
Cac ban oi giup minh voi
tim x biet 6.4/x=x/99tim cac so nguyen biet (|x|-3)(x^2+4) be hon hoac bang 4hai dia diem a va b cach nhau 90kmhai nguoi di xe dap cung mot luc tu ava bde gap nhau va ho gap nhau cach a 50km;nhung neu nguoi di tu b di nhanh hon xuat phat truoc nguoi a 1 gio thi ho gap nhau cach a 350/9km tinh van toc moi nguoiCac giai ho minh voi minh se tick cho
Cac ban nho viet ho cach lam min voi
cho cac tap hop
A= { x thuoc Z / -3<x nho hon bang 7}
B = {x thuoc Z /3 nho hon bang |x| <7 }
C = { x thuoc Z / |x| < 5}
Tim A giaoB; B giao C ; C giao A
B hop C ; A hop C
LAM NHANH HO MIK NHA MIK CAN GAP !PLEASE! AI LAM TRA LOI NHANH MIK TICK CHO
a,timx;y sao cho 2^x=4^y-1; 27^y= 3^x+8
b,tim ba phan so biet rang tong cua chung bang 3 3/7(hon so),cac tu cua chung ti le voi 3,4,5,cac mau cua chung ti lt voi5,1,2
cho ba so a,b,c thoa man 0be honhoac bang a be hon hoac bang b+1 be hon hoac bang c+2 va a+b+c=1 tim gia tri nho nhat cua c