4.3=4x
4x=12
x=12:4
x=3
Vậy x=3
Dấu "." là dấu "x" nha
ban oi ! de bai la 4x3=4x
(x o day la chu cai thuong nha k phai dau ''x'' nha ban!
Tim x nguyen de phan so sau la so nguyen
4x-1/3-x
Tim so nguyen x biet 4x+1 la boi cua x -1
tim x de B=4x-1/3-x la so nguyen
tim so nguyen x
biet rang x+5 la so nguyen am nho nhat co 2 chu so
bai 2 tim so nguyen x biet rang x-7 la so nguyen am lon nhat co 2 chu so
nhanh len minh dang gap minh like nhanh len
tim so nguyen x de phan so sau la so nguyen x+3/x-2
cho bieu thuc M 3x-4
x-4
a) tim so nguyen x de m la mot so nguyen
b)tim so nguyen x de m la 1 phan so
tim so nguyen x de cac phan so sau la so nguyen 13/x-1
Tim so nguyen x de A la so nguyen, biet: A=13:(x-2)
tim x dua vao quan he uoc boi:
tim so tu nhien x sao cho x-1 la uoc cua 12
tim so tu nhien x sao cho 2x+1 la uoc cua 28
tim so tu nhien x sao cho x+15 la boi cua x+3
tim cac so nguyen x,y sao cho (x+1)(y-2)=3
tim so nguyen x sao cho(x+2).(y-1)=2
tim so nguyen to x vua la uoc cua 275 vua la uoc cua 180
tim so nguyen to x,y biet x+y=12 va UCLL (x:y)=5
tim so tu nhien x,y biet x+y=32 va UCLL (x:y)=8
tim so tu nhien x biet x chia het cho10; xchia het cho12; x chia het cho15 va 100<x<150
tim so x nho nhat khac 0b biet x chia het cho 24 va 30
40 chia het cho x . 56 chia het cho x va x>6
