Các câu hỏi tương tự
tim x biet:
16^x<128^4
tim x biet
2x+6=128
biet 16x<128 tim cac gia tri cua x
tim x biet: ||x-1/2|.|2x-3/4||=2x-3/4
1) thuc hien phep tinh
a) 75-(3.52-4.23)
b)-/-12/+12-(-24)
c)17.85+15.17-120
2) tim x,biet
a)70-5.(x-3)=45
b)x-7=(-14)+(-8)
c)2./x-2/-4=6
d)128:22x-1=4
Tim so tu nhien x biet
2x3 = 128
2x - 1 = 219 +218 + 217 + ..... + 2 +1
tim x , y thuoc N biet
2x-2y=128
B2:tim so tu nhien x biet :
a)2^x.4=128
b)x^15=x
c)2^x.2^2^2=2^3^2
d)(x^5)^10=x
tim(x;y) biet -|2x+4| -|y+5| lon hon bang 0 .Tim cap (x;y)