Các câu hỏi tương tự
tim so tu nhien x biet
a) 15.x<750
b) 3(x-12)=36
c) (x+251)-301=56
d) 152+(x+231):2=358
tim n biet ,D=6n-7/n-2 C=n/n+1
tim x biet x-1/x-2 >0
Tim x biet 2^n+4.2^n=5.2^5
Tim x,y €N biet: x.(y-2)=8
Tim n thuoc N biet so n co 30 uoc va khi phan tich thanh thua so nguyen to thi co dang n = 2^x × 3^y biet x+y =8
Tim n thuoc N , biet so n co 30 uoc va khi phan tich thanh thua so nguyen to thi co dang n = 2^x × 3^y biet x + y = 8
tim gia tri lon nhat cua A=2018-/x-7/-/y+2/
tim gia tri nho nhat cua B /x-500/+/x-300/
tim n thuoc Z,biet: a,3.n+2 chia het cho n-1; b, n^2 +5 chia het cho n+1
tim x thuoc N biet :
(x+2).(2x+1)=24
tim x thuoc N biet 16 chia het cho (x-2)