x : 5 = 300 - 273 => x : 5 = 27 =>x = 27.5 => x = 135.
x : 5 = 300 - 273 => x : 5 = 27 =>x = 27.5 => x = 135.
Tìm x, biết:
a) (x - 7):5 = 0;
b) x : 3 - 13 = 47
c) (x : 7 - 7) (x: 12 - 12) = 0;
d) 135 + x : 2 = 150
e) 140 - 100 : x = 120;
g) 300 - x : 5 = 273.
Tìm x, biết:
a) (x - 7):5 = 0; b) x : 3 - 13 = 47
c) (x : 7 - 7) (x: 12 - 12) = 0; d) 135 + x : 2 = 150
e) 140 - 100 : x = 120; g) 300 - x : 5 = 273
Tìm x
a)(x:7-7)(x.3-12)=0
b) 135 + x : 2=150
c) 140 -100 : x = 120
d) 300- x : 5 = 273
a, ( x-7 ) : 5 = 0
b, ( x:7-7 )( x:12-12) = 0
c, 300 - x : 5 = 273
d, 135 + x : 2 = 150
1.tìm x
140-100:x =120
300-x;5=273
1. Tìm x, biết :
a) ( x : 7- 7 ) ( x : 12 - 12 ) = 0 b) 140 - 100 : x = 120
c) 300 - x : 5 = 273 d) 300 - x : 5 = 273
e) ( x : 2 - 2 ) ( x : 3 - 3 ) = 0 f) 58 - x : 18 = 52
g) 214 - 136 : x = 197 h) ( x - 5 ) : 3 = 0
2. Tìm x, biết :
a) ( x - 3.5 ) . 12 = 0 b) 35. ( x - 10 ) = 35
c) ( x - 5 ) : 3 + 3 = 24 d) ( x - 4 ) : 3 - 2 = 100
3. Tìm x, biết :
a) ( x - 5.9 ) . 2 = 0 b) 21. (32 - x ) = 21
c) 25. ( 2. x - 4) . 12 = 0 d) ( x - 4 ) : 6 - 5 = 10
Tìm x∈N biết
( 273-x)-140 =50
Tìm x biết:
|5.x+125|.x=300
Tìm x biết 5x-1<300