a) X x 4 + X = 55.35 b) X x 3 + x : 0,5 + X : 0,25 + X = 2018
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22 tháng 3 2018
a) X x 4 +X x 1= 55.35 b)X x 3 + X : 0,5 + X : 0,25 + X = 2018
X x 5=55.35 X x 3 + X x 2 + X x 4 + X x 1 = 2018
X = 55.35 : 5 X x ( 3 + 2 + 4 + 1) =2018
X =11.07 X x 10 = 2018
X = 2018 : 10
X = 201,8
22 tháng 3 2018
a) X x4 +X=55 x35
Xx(4+1)=1925
Xx5 =1925
X =1925:5
X =385
mình bận xíu tí làm tiếp
12 tháng 6 2019
Bài làm
X : 0,1 + X : 0,25 + X : 0,5 + X x 4 = 2018
X x 10 + X x 4 + X x 2 + X x 4 = 2018
X x ( 10 + 4 + 2 + 4 ) = 2018
X x 20 = 2018
X = 2018 : 20
X = 100,9
Vậy X = 100,9
# Chúc bạn học tốt #
12 tháng 6 2019
Bài làm
Bài làm
X : 0,1 + X : 0,25 + X : 0,5 + X x 4 = 2018
X x 10 + X x 4 + X x 2 + X x 4 = 2018
X x ( 10 + 4 + 2 + 4 ) = 2018
X x 20 = 2018
X = 2018 : 20
X = 100,9
Vậy X = 100,9
# Chúc bạn học tốt #
# Học tốt #
NT
0
19 tháng 2 2019
Ui bài khó quá mk ko làm đc xl 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19 tháng 2 2019
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
15 tháng 12 2023
a: \(24,8:0,5+24,8\cdot3+24,8:0,2\)
\(=24,8\cdot2+24,8\cdot3+24,8\cdot5\)
\(=24,8\left(2+3+5\right)\)
\(=24,8\cdot10=248\)
b: \(19,5+19,5\cdot3+19,5:0,5+19,5:0,25\)
\(=19,5+19,5\cdot3+19,5\cdot2+19,5\cdot4\)
\(=19,5\left(1+3+2+4\right)\)
\(=19,5\cdot10=195\)
c: \(121,07\cdot4+121,07:0,25+121,07:0,5\)
\(=121,07\cdot4+121,07\cdot4+121,07\cdot2\)
\(=121,07\left(4+4+2\right)\)
\(=121,07\cdot10=1210,7\)
NT
7
8 tháng 1 2022
a: =472x2+472x5+472x2=472x9=4248
b: =28,8+28,8-14,4=43,2
c: =2,4(6,2+3,8)=24
MH
13 tháng 10 2023
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) \(x:0,1-x:4-x.0,75=2,25\)
\(10x-\dfrac{x}{4}-\dfrac{3x}{4}=2,25\)
\(9x=2,25\)
\(x=0,25\)
a)11,07
b)201,8