0,1 +x: 0,25 + x: 0,5 + xx 4 =2018
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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 #
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
NT
0
17 tháng 3 2020
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 #
P
3
DT
2
10 tháng 12 2016
( 0,25 x 36 +0,1 x 110 ) x 0,5 - ( 150 x 0,2 - 96 : 4 ) = 4
k mình nhé
HN
0
