Các câu hỏi tương tự
a, tim x; 2*(x-1)6=128
b,x2=x
tim x biet:
16^x<128^4
tim x biet: 2x.4=128
tim x thuoc N : 16x < 128
biet 16x<128 tim cac gia tri cua x
tim x ,
a, 2^8.4 .x=128,
b, 2.3^8 +3^x-1=63
tim x , y thuoc N biet
2x-2y=128
tim x
[x-128+20] : 192= 0
x:15 +42 = 13 + 25 =0
460 +85 . 4 = [ x + 200 ] . 4
tim x thuoc N:
a) 2 mu x =4 nhan 128
b)2 mu x nhan 3 mu x =4 nhan 9