Các câu hỏi tương tự
1 tim cac so nguyen x,y biet x/7=6/21 -5/y=20/28 1/2=x/12 x/8=-28/32 3/y=12/24 3/4=15/y 2 viet 3 phan so bang phan so -10/15
cho 2 da thuc:
f(x)=3x-6
g(t)=-4t-8
a, tim nghiem cua da thucf(x)va g(t)
b,TIM GIA TRI X sao cho f(x) =1va g(x)=1
c,tim gia tri nguyen duong cua x va t biet f(x)<0; g(t)>0
tim x;y nguyen duong biet 7(x-1)2=23-y2
tim so nguyen duong x,y thoa man : x^2=1!+2!+3!+....+y!
bài 1 tìm x biết
a)(-2/3)^2.x=(-2/3)^5
b)(-1/3)^3.x=1/81
c)(x-1)^3=27
d)(2x+1)^2=25
e)(2x-3)^2=36
f)5^x+2=625
g)(x-1)^x+2=(x-1)^x+4
h)(2x-1)^3=-8
k)1/4.2/6.3/8.4/10.5/12....30/62.31/64=2^x
bai2 tim so nguyen duong n biet
a)32<2^n<128
b)2,16>=2^n>4
c)9,27<=3^n<=243
tim cac so nguyen x,y biet x^2-(y-3)x-2y-1=0
tim so nguyen x,y biet 3/x+y/5=11/6
tim cap so x,y nguyen biet :
a,\(|2x+3|+|2x-1|=\frac{8}{2|x-5|+2}\)
tìm x,a,b biet x+3=2a và 3x+1=4b với x,a,b nguyen duong