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24 x X - 24 x 875 = 13608
=> 24 x ( X - 875 ) = 13608
=> X - 875 = 13608 : 24
=> X - 875 = 567
=> X = 567 + 875
=> X = 1442
24*X-24*875=13608
24*(X-875)=13608
X-875=13608:24
X-875=567
X=567+875
X=1442
24.x - 24.875 = 13608
=> 24(x - 875) = 13608
=> x - 875 = 567
=> x = 1442
Vậy...
a) \(128+x\times24=4400\)
\(x\times24=4400-128\)
\(x\times24=4272\)
\(x=4272:24\)
\(x=178\)
b) \(125\times\left(x-18\right)=8875\)
\(x-18=8875:125\)
\(x-18=71\)
\(x=71+18\)
\(x=89\)
24.x-24.875=13608
24.(x-875)=13608
x-875=13608:24
x-875=576
x=576+875
x=1442
vậy x=1442
15.x+19.x=39440
x.(15+19)=39440
x.34=39440
x=39440:34
x=1160
vậy x=1160
=>24.(x-875)=567.24 =>x.(15+19)=1160.34
=>x-875=567. =>x.34=1160.34
=>x=567+875 =>x=1160
=>x=1442
a: 2/3=12/x
=>12/x=2/3
hay x=18
b: =>x/12=2/3
hay x=8
c: =>1/x=1/4
hay x=4
d: =>x/125=2/5
nên x=50
a, \(\dfrac{12}{18}=\dfrac{12}{x}\Rightarrow x=18\)
b, \(\dfrac{24}{36}=\dfrac{3x}{36}\Rightarrow3x=24\Leftrightarrow x=8\)
c, \(\dfrac{14}{56}=\dfrac{14}{14x}\Rightarrow14x=56\Leftrightarrow x=4\)
d, \(\dfrac{x}{125}=\dfrac{50}{125}\Rightarrow x=50\)
a) \(\dfrac{16}{24}-\dfrac{1}{3}=\dfrac{2}{3}-\dfrac{1}{3}=\dfrac{1}{3}\)
b ) \(\dfrac{4}{5}-\dfrac{12}{60}=\dfrac{4}{5}-\dfrac{1}{5}=\dfrac{4}{5}\)
c ) \(\dfrac{35}{50}-\dfrac{3}{10}=\dfrac{7}{10}-\dfrac{3}{10}=\dfrac{4}{10}=\dfrac{2}{5}\)
d ) \(\dfrac{21}{28}-\dfrac{1}{4}=\dfrac{3}{4}-\dfrac{1}{4}=\dfrac{2}{4}=\dfrac{1}{2}\)
\(\left(a\times5-14\right)+\left(a\times3+24\right)=125\)
\(a\times5-14+a\times3+24=125\)
\(a\times8=115\)
\(a=\frac{115}{8}\)
=.= hok tốt!!
a)
= (125 + 875)*3
= 1000*3
= 3000
b)
= (38 +62)*24
= 100*4
= 400
~~Học tốt nha~~
a. phai la 125x3+875x3 moi dung nhe!
= 3( 125+875)
= 3x 1000
= 3000
b. 38x24+62x24
=24(38+62)
= 24x 100
= 2400
Chuc e hoc gioi nhe!!!