Các câu hỏi tương tự
tim x
a, x+(x+1)+(x+2)+.....+(x+100)=5555
b,x+3x+5x+..............+992=10000
Tim x
a, \(2^x.2^{x+1}.2^{x+2}.......2^{x+100}=2^{5555}\)
b, \(2^x+2^{x+1}+2^{x+2}+2^{x+3}=15360\)
1) x+(x+1)+(x+2)+...+(x+100)=5555
2) x+2x+3x+...100x=15150
Tinh :
1+2+2^2+2^3+...+2^100
Tim x
X : 2 +x:6 +x:12+...+x:9900 = 99
x :(1/2)+x:(1/4)+x:(1/8) +...+ x:(1/512)=511
bai 5 : tinh
a) tim x , biet (x+1) +(x+2 ) + ...+(x+100)=5750
b) chung minh rang B = 1/2^2 + 1/3^2 + 1/4^2 + ...+1/2021^2 < 1
giup mik luon voi
1.Tim cac chu so x va y de so 1x8y2 chia het cho 36
2.tim cac gia tri nguyen cua n de phan so A=3.n+2/n-1 co gia tri la so nguyen
3.tim cac chu so x y thoa man
(x-2)^2.(x-3)^2=4
4.tim so tu nhien x biet
(x-5):3/100=20.x/100 +5
tim x biet
a)2^x+2 -2^x=96
b)x-(50x/100+25x/200)=111/4
c) (x-5).30/100=200x/100+5
cau1tinh
a) A=4+ 2 mu 2 + 2 mu 3 +... +2 mu 20
b) tim x biet
(x+1) + (x+2) +...+(x+100)=5750
1 )Tim x, y thuoc Z
x + y = x.y
2) Tim x thuoc Z
(x + 1)+(x+3)+(x+5)+...+(x+99)=0(x-3)+(x-2)+(x-1)+...+10+11=11-12(x-5)+7(3-x)=530(x+2)-6(x-5)-24x=100