(15 x 24 - X ) :0.25 =100 : 41
Tìm X
tìm x
a, X:0.25+X x 11=24
b, X x 8.01-X: 100=38
a, X:0.25+X x 11=24
X x 4 + X x 11 = 24
X x (11 + 4) = 24
X x 15 = 24
X = 24 : 15
X = 1,6
b, X x 8.01-X: 100=38
X x 8,01 - X x 0,01 = 38
X x (8,01 - 0,01) = 38
X x 8 = 38
X = 38 : 8
X = 4,75`
a, X:0.25+X x 11=24
X x 4 + X x 11 = 24
X x (11 + 4) = 24
X x 15 = 24
X = 24 : 15
X = 1,6
b, X x 8.01-X: 100=38
X x 8,01 - X x 0,01 = 38
X x (8,01 - 0,01) = 38
X x 8 = 38
X = 38 : 8
X = 4,75
a) X : 0,25 + X x 11 = 24
X x 4 + X x 11 = 24
X x ( 11 + 4 ) = 24
X x 15 = 24
X = 24 : 15
X = 1,6
b, X x 8 , 01 - X : 100 = 38
X x 8,01 - X x 0,01 = 38
X x ( 8,01 - 0,01 ) = 38
X x 8 = 38
X = 38 : 8
X = 4,75
[ 25 x 24 - X] : 0.25 = 100 : 1/4
(600-X)x4=100x4
Chia cả 2 vế cho 4, ta được:
600-X=100
X=600-100
X=500
Vậy X=500
tìm x biết:
x:0.25+x.11=24
Ta có:
\(x:0,25+x.11=24\)
\(x.4+x.11=24\)
\(x\left(4+11\right)=24\)
\(x.15=24\)
\(x=1,6\)
\(x:0,25+x.11=24\)
<=> \(x:\frac{1}{4}+x.11=24\)
<=> \(x.4+x.11=24\) <=> \(x.\left(4+11\right)=24\)
<=> \(15x=24\) <=>\(x=\frac{24}{15}\)
vậy \(x=\frac{24}{15}\)
x : 0,25+x.11=24
x × 100/25 + x . 11 = 24
x × 4 + x .11 = 24
x × ( 4+11)=24
x × 15 = 24
x = 24 : 15
x = 1,6
Tìm x:
a : ( x + 3)+(x + 7)+(x + 11)+(x +15)+......+(x + 41) = 580
b: ( x + 5)+(x + 7)+(x + 15)+(x + 20)+.......+(x + 100) = 1150
( 21 x 12 - x - 0.75 ) : 0.25 = 100 : 0.25
( 21x 12 -x -0,75 ) : 0,25 =100: 0,25
(21 x12- x- 0,75) : 0,25= 400
21 x12 -x-0,75 = 400 x0,25
21 x12- x- 0,75= 100
252- x= 100 + 0,75
252-x= 100,75
x = 252- 100,75
x = 151,25
tìm x biết 2016 x +(7/12+4/21+2/24+11/30+3/41+15/56)-(2/3+2/4+2/5)=0
: a 72/x = 12/15 b ) 41-x/24=5/6
a, \(\dfrac{72}{x}\) = \(\dfrac{12}{15}\) b 41 - \(\dfrac{x}{24}\) = \(\dfrac{5}{6}\)
\(x\) = 72 : \(\dfrac{12}{15}\) \(\dfrac{x}{24}\) = \(41-\dfrac{5}{6}\)
\(x\) = 90 \(\dfrac{x}{24}\) = \(\dfrac{241}{6}\)
\(x\) = \(\dfrac{241}{6}\) x 24
\(x\) = 964
X :0.25 + X x 11 = 24
X : 0.25 + X x 11 = 24