<=> x.(2+4) = 9,84
<=> 6x = 9,84
<=> x = 9,84 : 6 =1,64
x.2 +x.4=9,84
=> x(2+4) = 9,84
=>x = 9,84/(2+4)
=> x = 41/25 =1,64
x . 2 + x . 4 = 9,84
x . ( 2 + 4 ) = 9,84
x . 6 = 9,84
x = 9,84 : 6
x = 1, 64
<=> x.(2+4) = 9,84
<=> 6x = 9,84
<=> x = 9,84 : 6 =1,64
x.2 +x.4=9,84
=> x(2+4) = 9,84
=>x = 9,84/(2+4)
=> x = 41/25 =1,64
x . 2 + x . 4 = 9,84
x . ( 2 + 4 ) = 9,84
x . 6 = 9,84
x = 9,84 : 6
x = 1, 64
tim x
x - [ 3,3 + 2,4 ] = 11,6
[ x - 4,6 ] - 2,6 = 1,8
[ x + 1,8 ] -0,91 = 15,02
x.2 + x.4 = 9,84
100. [ x 1,8 ] = 456,3
47 - 5 . x = 27
x : 3 .4 = 1,248
8.x - 3 . x = 1,95
x: 2 - 8,6 = 2,43
tim x biet 2/(x+2)+(x+4)+4/(x+4)+(x+6)+6/(x+6)+(x+14)=x/(x+2)+(x+14)
tim x : 2/2*4+2/4*6+...+2/x*(x+2)=4/9
Tim x biet : 20 . 2^x + 1 = 10.4^2 + 1
Tim x : ( 4-x:2)^3 - 1 = 2 . (2^3 - 5 : 2^0 )
1.Tim cac chu so x va y de so 1x8y2 chia het cho 36
2.tim cac gia tri nguyen cua n de phan so A=3.n+2/n-1 co gia tri la so nguyen
3.tim cac chu so x y thoa man
(x-2)^2.(x-3)^2=4
4.tim so tu nhien x biet
(x-5):3/100=20.x/100 +5
Tim x
(x-2)^2=(x-2)^4
tim x |x+2|+|x+4|+|x+6|=27
tim x biet 2.|x+2|+|4-x|=11
tim x
1/4. (x/4+-2/x+2/8)=-1/14