Tim x thuoc \(Q\):
a) |5.(2x+3)|+|2.(2x+3)|+|2x+3|=16
b)|x2+|6x-2|| =x2+4
c)3x -|2x+1|=2
d)2.|x2+|x-1||=2x2+2
Cac anh chi CTV va cac ban giup mk nhe, mk dg can gap lem, nhanh len nhoa!! Tks truoc
tim x biet : 1-(3/4+x-2/3):4/5=0
giai nhanh len nhe
tim so tu nhien a cung voi cac so 20,21 ta co thanh 3 canh cua 1 tam giac vuong
nhanh len nhe
Tim hai so huu ti x va y sao cho x+y =xy=x:y (y khac 0)
Cac ban giai de hieu mot chut nhe
tim tap hop cac so abc sao cho 0<a<b<c<7 cac ban giup minh nha nhanh nhanh len
do cac ban nha tim tap hop nguyen a;b thoa man :a.b=3.(b-a)
neu ai lam duoc minh cho nich thoi loan vip nha 11 hoac nick bang bang vip co ca quan cong va kaka shi lever 5
va minh se cho nick kiem vu cung hoi vip thoi nhe rat hot .................................................................................
.................................................co len .......................................................................................co len................
.........................co len..............................................co len.................................HOT NHAT/
tim cac so nguyen tu -căn 49 đến căn 25 chia hết cho 2
cac ban lam nhanh giup minh minh dang can gap nhe
tim x sao cho \(\frac{9}{1+\sqrt{x}}\) la so nguyen
cac ban giup minh voi nhe
Cho hai duong thang a va b cat nhau tai O tao thanh bon goc nhu hinh ve . Tinh so do goc O1,O2,O3,O4 biet
A)O2-O1=30°
B)2.O2=3.O1
Cac ban giup minh voi O1,O2,O3,O4 la cac goc do cac ban va cac ban giup minh nhanh nhe chieu minh hoc roi
Goc doi dinh nhe cac ban
Hinh ve giong hinh chu X