Các câu hỏi tương tự
tim cac so tu nhien x,y biet \(^{2^{x+1}}\).\(^{3^y}\)=\(^{12^x}\)
1)tim x biet rang:
a)3^x-1=1/243
b)2^x+2^x+3=144
c)81^-2x.27x=9^5
2)tim tiep so ghang thu 5 cua day so sau:-1/a^2;2/a^3;-6/a^4;24/a^5;...
3)tim so tu nhien x biet :
a)4^x+4^x+3=4160
b)2^x-1+5.2^x-2=7/32
Tim cac so tu nhien x va y biet
25 - y2 = 8( x -2016 )2
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
Tim so tu nhien x , y sao cho \(2^x+2^y=2^{x+y}\)
tim xa,frac{1}{4}cdotfrac{2}{6}cdotfrac{3}{8}cdotfrac{4}{10}cdotfrac{5}{12}....frac{30}{62}cdotfrac{31}{64}2^xBai 2 tim so tu nhien x biet.a, 5^x+ 5^{x+2}650 b, 3^{x-1}+ 5*3^{x-1}162bai3: Tim cac so tu nhien y,x bieta, 2^{x+1}*3y12 b, 10^x: 5^y20^y
Đọc tiếp
tim x
a,\(\frac{1}{4}\cdot\frac{2}{6}\cdot\frac{3}{8}\cdot\frac{4}{10}\cdot\frac{5}{12}....\frac{30}{62}\cdot\frac{31}{64}=2^x\)
Bai 2 tim so tu nhien x biet.
a, 5\(^x\)+ 5\(^{x+2}\)=650 b, 3\(^{x-1}\)+ 5*3\(^{x-1}\)=162
bai3: Tim cac so tu nhien y,x biet
a, 2\(^{x+1}\)*3y=12 b, 10\(^x\): 5\(^y\)=20\(^y\)
tim x;y la cac so tu nhien de 25-y^2=8*(x-2016)^2
tim so tu nhien x,y biet x*20+(x+1)*11=2020*y
* la mu nha
tim x y biet |x-1|+|x-2|+|y-3|+|x-4|=3