(7x-11)3=25.22+200
(7x-11)3=25+2+200
(7x-11)3=27+200
(7x-11)3=128+200
(7x-11)3=328
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22) tim x thuoc n biết
a)2^x=16
b)4^x=64
c)15^x=225
d)2^x-15=17
e)2^x-64=2^6
f)(7x-11)^3=2^5.5^2+200
tim x thuoc N (7x-11)3 =25 .52 +200 6x 3 +50=800 725-2x 2 =3 12-(2x-3)2 =3 (3x-1)3 -5=120
A,3^3. x-3^4=2^5-5
B,(2^3+2^1). x+3^2.x?5-10=10^2
C,(2^x+1)^3.2^2=500
D,(7x-11)^3=32.5^2+200
E,5.(3x-2)^2-3^3:3^2=2
F,(x-5)^19=16.( x-5)^6
G,4^x+80=3^yy
Tim x va y thuoc N
Tim x biet
(7x -11 )^3 = 2^5 x 2^2 +200
(7x-11)3 =25.52 +200
tim x
tim x thuoc N , biet
x-20/11.13- 20/13.15-20/15.17...-20/53.55 =3/11
tim x biet
\(\left(7x-11\right)^3=2^5.5^2+200\)
minh can cach lam gappppppp ai nhanh minh tk luon
Tìm x ∈ N biết:
a) 2 x - 15 = 17
b) ( 7 x - 11 ) 3 = 2 5 . 5 2 + 200
Tim x thuoc Z
(x-3)+(x-2)+(x-1)+...+10+11=11