24/120=x/5
24/120=x/5
`24/120 = x/5`
`24/120 = (24 \div 24)/(120 \div 24) = 1/5`
`-> 1/5 = x/5`
`-> x=1`
Vậy, `24/120 = 1/5.`
\(\dfrac{24}{120}=\dfrac{x}{5}\)
\(\dfrac{24:24}{120:24}=\dfrac{x}{5}\)
\(\dfrac{1}{5}=\dfrac{x}{5}\)
\(\dfrac{1}{5}=x:5\)
\(x=5\times\dfrac{1}{5}\)
\(x=1\)
\(\dfrac{24}{120}=\dfrac{x}{5}\)
\(\Leftrightarrow\dfrac{24:24}{120:24}=\dfrac{x}{5}\)
\(\Leftrightarrow\dfrac{1}{5}=\dfrac{x}{5}\)
\(\Rightarrow x=1\)
1. Phép chia 24 650 : 120
A. 24 650 : 120 = 25 (dư 50) C. 24 650 : 120 = 25 (dư 5)
b. 24 650 : 120 = 205 (dư 50) D. C. 24 650 : 120 = 205 (dư 5)
2880 : [120 - ( x - 5 )] = 24
=> 120 - (x - 5) = 2880 : 24 = 120
=> x - 5 = 120 - 120 = 0
=> x = 0 + 5 = 5
2880 : [120 - ( x - 5 )] = 24
120 - ( x - 5 ) = 2880 : 24
120 - ( x - 5 ) = 120
x - 5 = 120 - 120
x - 5 = 0
x = 0 + 5
x = 5
1. Phép chia 24 650: 120
A. 24 650: 120 = 25 (dư 50) C. 24 650: 120 = 25 (dư 5)
b. 24 650: 120 = 205 (dư 50) D. C. 24 650: 120 = 205 (dư 5)
giúp mình nha
24/120=x/5
x la5 bao nhiêu, giúp mk nha
24/120=X/5
TA CÓ:24/120=1/5
1/5=x/5
suy ra x=1
\(\frac{24}{120}=\frac{1}{5}\)
nên \(x=5\)
hok tốt !!!
Phân số x/5 được rút gọn số lần là:120:5=24
Vậy x là:24:24=1
Đáp số:1
giải hệ pt sau: \(\hept{\begin{cases}-x+y=-24\\\frac{120}{x}-\frac{120}{y}=\frac{5}{6}\end{cases}}\)
Tìm x.
[120-(32.5-20.x).40]:24-5=0
[ 120 - ( 160 - 20x ) . 40 ] : 24 = 5
120 - ( 160 - 20x ) = 5 . 24 = 120
160 - 20x = 120 -120 = 0
20x = 160 - 0 = 160
x = 160 : 20 = 8
[120-(32.5-20.X).40]:24-5=0
=>[120-(32.5-20.X).40]:24=0+5
=>[120-(32.5-20.X).40]:24=5
=>120-(32.5-20.X).40=5.24
=>120-(32.5-20.X).40=120
=>(32.5-20.X).40=120-120
=>(32.5-20.X).40=0
=>32.5-20.X=0:40
=>32.5-20.X=0
=>160-20.X=0
=>20.X=160-0
=>20.X=160
=>X=160:20
=>X=8
x - (28 - x) = x - 24x−(28−x)=x−24.
Tìm x€ Z:(1/24*25+1/25*26+...+1/29*30)*120+x:1/3=-5