Các câu hỏi tương tự
1/Tìm x,biết:
a)x+(x+1)+(x+2)+(x+3)+...+(x+99)+(x+100)=5555
b)1+2+3+4+...+x=820
c)3(x+1)=9.27
d)x+2x+3x+...+99x+100x=15150
e)(x+1)+(x+2)+(x+3)+...+(x+100)=205550
f)3x+3x+1+3x+2=351
BÀI 1:Tìm x biết
a :3x -5 =x
b: 1.2.3.4.5......(x+1)=0
c:x+ 2x +3x +4x +5x+..............+100x=0
d:x +2x+3x+4x+5x+..................+100x=5050
e:(x+1)+(x+2) +(x+3) +(x+4)+............+(x+100)= 5050
tim x biet
h x^2-7chia het x+3
k 3x^2+5x+8 chia het x+1
m 20 chia het x+1
p 2x+7chia het x-2
n 3x+8 chia het 5x-7
Tìm x
a,(3x-4).(x-1)mũ 3 =0
b,(x+1)+(x+2)+(x+3)+....+(x+100)=7450
c,(x-4).(x-3)=0
d,12x+13x=200
e,5x-3x-x=20
tim x nguyen biet:
a 8.(x mu 2 +3).(5-x)
b)(2x + 1)mu 2=25
c) (1-3x)mu3 =64
d)(4-x)mu3 =-27
e) xmu2 -5x =0
Tim x biet:
a,[3x-4]=x
b,[x+8]=-3.x
c,[5x-3] = 2x+1
28 tháng 11 2021 lúc 19:23
Tìm các số nguyên x, biết:
a. (5x -10) : ( 100 x2 +18) = 0.
b. ( -300) : 20 +5.(3x-1) = 25
c. ( 2021 x +12)2 . ( x + 4) > 0
tim x
|x-1|=3x+2
|5x|=x-12 giup mk nha mk hua se tk
|7-x|=5x+1
tim x:(5x-7-9x):(-2-3x+7)=5-2(x-2)