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19 tháng 2 2019
Ui bài khó quá mk ko làm đc xl nhé.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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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
28 tháng 4 2016
X : 0,25 + X:0,5-Xx4 =50,28
X x 4 + X x 2 - X x 4 = 50,28
X x 6 - X x 4 = 50,28
X x 2 = 50,28
X = 50,28 : 2 = 25,14
**** mik nha m.n !!!!
2 tháng 4 2023
\(=A\cdot\left(40+60+80-180\right)+2023\)
=0+2023
=2023
PT
5
18 tháng 12 2021
X x 0,5 : 4 : 2 x 0,25 = 0,15
X=0,15:0,25x2x4:0,5
X=9,6
hok tốt
@#@##@#@
26 tháng 4 2022
a) 92 : 0,01 = 9200 92 x 100 = 9200 64 : 0,01= 6400
b) 25 : 0,5 = 50 25 x 2 = 50 39 : 0,5 = 78
c) 32 : 0,25 = 128 32 x 4 = 128 15 : 0,25 = 60
T
29 tháng 5 2019
#)Giải :
a) \(\frac{2xX-4,36}{0,125}=\)0,25 x 42,9 - 11,7 x 0,25 + 0,25 x 0,8
\(\frac{2xX-4,36}{0,125}=\)0,25 x ( 42,9 - 11,7 + 0,8 )
\(\frac{2xX-4,36}{0,125}=\)0,25 x 32
\(\frac{2xX-4,36}{0,125}=8\)
\(2xX-4,36=8x0,125\)
\(2xX-4,36=1\)
\(2xX=1+4,36\)
\(2xX=5,36\)
\(X=5,36:2\)
\(X=2,68\)
#~Will~be~Pens~#
NH
1
TT
2
12 tháng 3 2023
13,25*0,5+13,25*0,25+13,25*0,25
=13,25*(0,5+0,25+0,25)
=13,25*1
=13,25
MN
0
41875
\(X:0,25+X:0,5-X.4=50.25\)
\(X.4+X.2-X.4=50,25\)
\(X.\left(4+2-4\right)=50,25\)
\(X.2=50,25\)
\(X=50,25:2\)
\(X=25,125\)