Các câu hỏi tương tự
1 tim x
2346:(25+x)=23
2(x-3)+5(x+4)=49
(2x-10)3.251007=52.52015
1)a)2x-13=25+6x
b)12-x=3x+6
c)40-(25-2x)=x
d)|x-3|=5
e)|x-3|+(x+2)+(x+1)=12
2)tính
a)(-1).(-2).(-3).(-4).(-5).[(-3)-(-5)]
b)1-2+3-4+5-6+...-98+99
3)tim x
a)(x-1).(y-2)=5
b)x.(y-3)=12
1) Tim x
a) x + 1/2 . x - 25% . x = 10
b) x + x -1 + x-2 + x-3 + x-4 +........+x - 5= 255
Tim x,biết:
a,15 - 5.(x + 4) = - 12 - 3
b, ( 7 - x ) - ( 25 + 7) = - 25
c, | x + 2 | = 0
d, | x + 3 | + 7 - ( - 2)
e, | x - 5| = | - 7 |
g, - x - 20-(8 - 2x) = (-12-3)
tim x biet
(-25)-(5.x-3)=4
5.x-6=20-(12-6)
-2.x-40=(5-x)-(-15+60)
tim x
a)2x3-25=29
b)125:(3x-10)=25
c)136-(2x-4)=32.2
d)140:(15-x)=70
e)4.3x-1=35
g)360-(220-4x)=160
f)24:22+x.33.3=166
h)4(x-5)-25=75
i)35-5(2x+2)=5
k)2x3-126=2
tim x :
a) 3 x x -5 + 27 = 54
b) x - 5^2 = - 4
c) x + 3^3 = 2^3
d) | x - 7 | + 9 = - 3
e ) | 5 - x | - 7 = - 3
g ) 4^x : 2 = 32
h ) 5^x - 2- 5 = 25
k ) x^10 = x^8 giuppp mikk
Tim x:
a) 6 x X - 5 = 613 b) 12 x X + 3 x X = 30
C) 125 - 25 x (X - 1) = 100 d) ( X - 2 ) x 9 X - 4) = 0
tim x bit(xEN)
a) 123-5.(x-4)=38
b) 2.x-183=2^3.3^2
c)10+2.x=4^5.4^3
d)25+(177-x)=3^2.2^2.
các bạn giải giúp mình với mình cảm ơn