( 125 + x ) : X = 6
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12 x 125 x 24 x 50
= (12 x 50) x (125 x 24)
= 600 x 3000
= 1800000.
(Tíck cho mình với nhé!)
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a) 125.3+125.125.6
=125.3+125.750
=125.(3+750)
=125.753
=94125
b) (245.99+245)-(145.101-145)
=(245.(99+1))-(145.(101-1))
=245.100-145.100
=(245-145).100
=100.100
=10000
c) 154.(28+52)-45.(26+54)
=154.80-45.80
=(154-45).80
=109.80
=8720
a) 125x3+125+125x6
=125x(3+1+6)
=125x10
=1250
b) (245x99+245)-(145x101-145)
=(245x99+245)-(145x100)
=(245x100)-14500
=24500-14500
10000
c) 154x80-45x80
=80x(145-45)
=80x100
=8000
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\(=>\frac{125}{x}+\frac{x}{x}=6\)
\(=>\frac{125}{x}=5\)
\(=>x=25\)
(125 + x) : x = 6
=> 125 + x = 6 × x
=> 6 × x - x = 125
=> 5 × x = 125
=> x = 125 : 5
=> x = 25
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2 x 4 x 6 x 8 x 50 x 25 x 125
= (2 x 50 ) x ( 4 x 25 ) x ( 125 x 8 ) x 6
= 100 x 100 x 1000 x 6
= 60000000
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15 x 6 x 4 x 125 x 8
= (15 x 4) x (125 x 8) x 6
= 60 x 1000 x 6
= 60000 x 6
= 360000
15 x6x4x125x8
= (15x4)x6x(125x8)
= 60x6 x 1000
= 360 x 1000
= 360 000
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\(12.62.3+6^2.38-125:25\\ =36.62+36.38-5\\ =36.\left(62+38\right)-5\\ =36.100-5\\ =3600-5\\ =3595.\)
\(12\cdot62\cdot3+6^2\cdot38-125:25\)
\(=12\cdot62\cdot3+36\cdot38-5\)
\(=2232+1368-5\)
\(=3595\)
![](https://rs.olm.vn/images/avt/0.png?1311)
=> 125 - |x| = -6
|x| = 125 + 6 = 131
Vì x âm => x = -131
/-125/-/x/=-6
=>125-/x/=-6
=>/x/=125-(-6)=125+6=131
=>x=131 hoặc cx=-131
( 125 + x ) : x = 6
125 : x + x : x =6
125 : x + 1 = 6
125 : x = 6 + 1
125 : x = 7
x = 125 : 7
x = 125/7