Ui bài khó quá mk ko làm đc xl nhé....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

 X:0,1+X:0,25+X:0,5+X×4

⇒ x :0,1+ x :0,25+ X:0,5+x:0,25=2018

⇒ X:(0,1+0,25+0,5+0,25)=2018

⇒ X:1,1=2018

⇒ x=2018 x1,1=2219,8

 Vậy X=2219,8

\(x:0,1+x:0,25+x:0,5+x\cdot4=2018\)

\(x\cdot10+x\cdot4+x\cdot2+x\cdot4=2018\)

\(x\left(10+4+2+4\right)=2018\)

\(x\cdot20=2018\)

\(\Leftrightarrow x=100,9\)

P/s: Ko kho dau a :>

a. ( 48 x 0,75 - 240 : 10 ) - ( 16 x 0,5 - 16 : 4 )

=(36-24)-(8-4)

=12-4

=8

b. (1000 x 0,1 - 900 x 0,1 - 90 x 0,1 ) x ( 142 x 0,5 - 240 x 0,25 )

=(100-90)x(71-60)

=10x11

=110

# mui #

a 

= ( 24 + 12 ) - ( 9 - 4 ) 

= 36 - 5 

= 31 

trong violympic phai ko :

minh co ket qua la:4

4 nha bạn

Ai đi qua nhớ **** cho mình

mình cũng có kết quả là 4

( 0,25 x 36 +0,1 x 110 ) x 0,5 - ( 150 x 0,2 - 96 : 4 ) = 4

k mình nhé

43.5 nha

a) \(210:x=2,1:0,25=8,4\)

\(x=210:8,4=25\)

b) \(x.2+x.0,5=6,25\)

\(2,5x=6,25\)

\(x=6,25:2,5=2,5\)

c) \(x:0,25-x=15,6\)

\(3x=15,6\)

\(x=5,2\)

d) \(x:12,5=3,75.4=15\)

\(x=15.12,5=187,5\)

e) \(x.12,6-x.5,6=42\)

\(7x=42\)

\(x=6\)

g) \(x:0,1-x:4-x.0,75=2,25\)

\(10x-\dfrac{x}{4}-\dfrac{3x}{4}=2,25\)

\(9x=2,25\)

\(x=0,25\)

giúp mình gấp mn

wth khó thế

  (0,25 x 36 + 0,1 x 110) x 0,5 - (150 x 0,2 - 96 : 24)

= (9 + 11) x 0,5 - (30 - 24)

= 20 x 0,5 - 6

= 10 - 6

= 4

 (0,25 x 36 + 0,1 x 110) x 0,5 - (150 x 0,2 - 96 : 4) 
= (0,25 x 4 x 9 + 0,1 x 10 x 11) : 2 - (150 : 5 - 96 : 4) 
= (1 x 9 + 1 x 11) : 2 - (30 - 24) 
= (9 + 11) : 2 - 6 
= 20 : 2 - 6 
= 10 - 6 = 4 

= 4 nha bạn

k mình nhé

k = mình mk k lại

k bạn nna