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Ta có: 254:x=14(dư 16)
=> (254-16) : x = 14
=> 238 : x = 14
=> x = 238 : 14
=> x = 17
Vây x = 17
![](https://rs.olm.vn/images/avt/0.png?1311)
254 : x = 14 ( dư 16 )
( 254 - 16 ) : x = 14
238 : x = 14
x = 238 : 14
x = 17
Tick cho mik nhé !!!
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1, \(14:x+6=8\)
\(14:x=8-6=2\)
\(x=14:2=6\)
2, \(x:\frac{1}{4}\cdot5=50\)
\(x:\frac{1}{4}=50:5=10\)
\(x=10\cdot\frac{1}{4}=2,5\)
3, \(x:\frac{7}{3}+4=16\)
\(x:\frac{7}{3}=16-4=12\)
\(x=12\cdot\frac{7}{3}=28\)
4, \(24-x\cdot\frac{1}{3}=14\)
\(x\cdot\frac{1}{3}=24-14=10\)
\(x=10:\frac{1}{3}=0,3\)
TK MK NHA. CÂU CUỐI MK KO LÀM ĐÂU. ^_^
![](https://rs.olm.vn/images/avt/0.png?1311)
Ta có:
\(254=14x+16\\ \Rightarrow14x=238\\ \Rightarrow x=17\)
![](https://rs.olm.vn/images/avt/0.png?1311)
5/9x12/7=20/21
6/5:8/3=9/20
9/20x5/12=3/16
15/16:25/24=9/10
14x5/21=10/3
10:5/3=6
5/3:10=1/6
5/9 x 12/7 = 60/63
6/5 : 8/3 = 6/5 x 3/8 = 9/20
9/20 x 5/12 = 3/16
15/16 : 25/24 = 15/16 x 24/25 = 9/10
14 x 5/21 = 60/21
10 : 5/3 = 10 x 3/5 = 6
5/3 : 10 = 5/3 x 1/10 = 1/6
![](https://rs.olm.vn/images/avt/0.png?1311)
254 : x = 14 ( dư 16 )
( 254 - 16 ) : x = 14
238 : x = 14
x = 238 : 14
x = 17
bài của cậu đây!
Câu trả lời của mình nhá:
x=(254−16):14x=(254−16):14
x=17
![](https://rs.olm.vn/images/avt/0.png?1311)
a.(x + 125) : 312 = 14 (dư 300)
x+125 = 14 x 312 + 300
x+125 = 4 668
x= 4 668 - 125
x=4 543
b.(x-234):23=128 (dư 21)
x-234=128 x 23 + 21
x-234=2 965
x=2 965 + 234
x=3 199
c.(x-24) x 2020=2020x33
(x-24)x2020=66 660
x-24=66 660:2020
x-24=33
x=33+24
x=57
d.5 x (x+2019)=3800 x 5
5 x (x+2019)=19 000
x+2019=19000:5
x+2019=3800
x=3800-2019
x=1 781
HẾT=)))
![](https://rs.olm.vn/images/avt/0.png?1311)
a.(x + 125) : 312 = 14 (dư 300)
x+125 = 14 x 312 + 300
x+125 = 4 668
x= 4 668 - 125
x=4 543
b.(x-234):23=128 (dư 21)
x-234=128 x 23 + 21
x-234=2 965
x=2 965 + 234
x=3 199
c.(x-24) x 2020=2020x33
(x-24)x2020=66 660
x-24=66 660:2020
x-24=33
x=33+24
x=57
d.5 x (x+2019)=3800 x 5
5 x (x+2019)=19 000
x+2019=19000:5
x+2019=3800
x=3800-2019
x=1 781
HẾT=)))
![](https://rs.olm.vn/images/avt/0.png?1311)
(24-16) :x = 14
8 : x = 14
x = \(\dfrac{4}{7}\)
24-16) :x = 14
8 : x = 14
x = \(\dfrac{4}{7}\)\dfrac{4}{7}