486:x -126:x=6
Tìm x : 486 : x – 126 : x = 6
x = 81
x = 21
x = 60
x = 2160
tìm x : 486 : x - 126 : x = 6 (trình bày cách làm)
486 : x - 126 : x = 6
x : ( 486 - 126 ) = 6
x : 360 = 6
x = 360 : 6
= x = 60
HT
1. Tìm x
486:x-126:x=6
725:x+175:x=5
a,486:x-126:x=6
=>(486-126):x=6
=>360:x=6
=>x=360:6
=>x=60
b,725:x+175:x=5
=>(725+175):x=5
=>900:x=5
=>x=900:5
=>x=180
486:x-126:x=6
(486-126):x=6
360:x=6
x=360:6
x=60
725:x+175:x=5
(725+175):x=5
900:x=5
x=900:5
x=180
426 : x - 126 : x = 6
( 486 - 126 ) : x = 6
360 : x = 6
x = 360 : 6
x = 60
725 : x + 175 : x = 5
( 725 + 175 ) : x = 5
900 : x = 5
x = 900 : 5
x = 180
Tìm x : 486 : x - 126 : x = 6 các bạn giúp mình với
( 486 - 126 ) : x = 6
360 : x = 6
x = 360 : 6
x = 60
:)))
Cảm ơn bạn nhiều
Tìm x
a) 162 : x + 216 : x = 6
b) 602 : x + 123 x 2 = 253
c) 486 : x - 126 :x = 6
d) 725 : x + 175 : x = 5
a) 162 : 𝑥 + 216 : 𝑥 = 6
(162 + 216) : x = 6
378 : x = 6
x = 378 : 6
x = 63
b) 602 : x + 123 x 2 = 253
602 : x + 246 = 253
602 : x = 253 - 246
602 : x = 7
x = 602 : 7
x = 86
c) 486 : x - 126 :x = 6
(486-126) : x = 6
360 : x = 6
x = 360 : 6
x = 60
d) 725 : x + 175 : x = 5
(725 + 175) : x = 5
900 : x = 5
x = 900 : 5
x = 180
Tìm x
a) 162 : x + 216 : x = 6
b) 602 : x + 123 x 2 = 253
c) 486 : x - 126 :x = 6
d) 725 : x + 175 : x = 5
a)\(162:x+216:x=6\)
⇔\(\left(162+216\right):x=6\)
⇔\(378:x=6\)
⇔\(x=63\)
b)\(602:x+123.2=253\)
⇔\(602:x+246=253\)
⇔\(602:x=7\)
⇔\(x=86\)
c)\(486:x-126:x=6\)
⇔\(\left(486-126\right):x=6\)
⇔\(360:x=6\)
⇔\(x=60\)
d)\(725:x+175:x=5\)
⇔\(\left(725+175\right):x=5\)
⇔\(900:x=5\)
⇔\(x=180\)
\(a.162:x+216:x=6\) \(b.602:x+123x2=253\)
\(\left(162+216\right):x=6\) \(602:x+246=253\)
\(378:x=6\) \(602:x=253-246\)
\(x=378:6=63\) \(602:x=7\)
\(x=602:7=86\)
\(c.486:x-126:x=6\) \(d.725:x+175:x=5\)
\(\left(486-126\right):x=6\) \(\left(725+175\right):x=5\)
\(360:x=6\) \(900:x=5\)
\(x=360:6=60\) \(x=900:5=180\)
a) 162 : x + 216 : x = 6
(162 + 216) : x = 6
378 : x = 6
x = 378 : 6
x = 63
b) 602 : x + 123 x 2 = 253
602 : x + 246 = 253
602 : x = 253 - 246
602 : x = 7
x = 602 : 7
x = 86
c) 486 : x - 126 :x = 6
(486 - 126) : x = 6
360 : x = 6
x = 360 : 6
x = 60
d) 725 : x + 175 : x = 5
(725 + 175) : x = 5
900 : x = 5
x = 900 : 5
x = 180
Học tốt !
486 : y - 126 : y = 6
\(486:y-126:y=6\)
\(\Leftrightarrow\left(486-126\right):y=6\)
\(\Leftrightarrow360:y=6\)
\(\Leftrightarrow y=360:6\)
\(\Leftrightarrow y=60\)
Đáp số : 60
486 : y - 126 : y = 6
( 486 - 126 ) : y = 6
360 : y = 6
y = 360 : 6
y = 60
:D
\(486:y-126:y=6\)
\(\left(486-126\right):y=6\)
\(y=60\)
Tìm x 486÷x-126÷x=6
486÷x-126÷x=6
(486-126) ÷ x = 6
360 ÷ x = 6
x = 360 ÷ 6
x = 60
486 : x - 126 : x = 6
x = ( 486 - 126 ) : 6
x = 360 : 6
x = 60
486 : x - 126 : x = 6
( 486 - 126 ) : x = 6
360 : x = 6
x = 360 : 6
x = 60
Tìm Y biết: 486 : Y - 126 : Y = 6
486 : y - 126 : y = 6
[ 486 - 126 ] : y = 6
360 : y = 6
y = 360 : 6
y = 60
Suy ra số đó là 60
k mình mình k lại
486:Y-126:Y=6
=> 486.1/Y-126.1/Y=6
=>1/Y(486-126)=6
=>1/Y . 360=6
=> 1/Y=6:360
=>1/Y=1/60
=>Y=60
486 : Y - 126 : Y = 6
(486 - 126) : Y = 6
360 : Y = 6
=> Y = 360 : 6 = 60
Đáp số: 60