2448:102=?
Bài : Tìm x
a).( X + 1,2 ) : 2,5 = 5
c). X x 1/2 +3/4 =1
b).4,25 x X = 53,38
d).2/7 + 5/7 : x = 5 - 1/7
e).x - 2448 : 24 = 102
Câu b câu c đổi lại cho nhau nha mn
AI ĐÚNG THÌ MÌNH TIK CHO NHA
THANK MN
a) (x + 1,2) : 2,5 = 5
x + 1,2 = 5 . 2,5
x + 1,2 = 12,5
x = 12,5 - 1,2
x = 11,3
Vậy x = 11,3
\(b)4,25.x=53,38\)
\(x=53,38:4,25\)
\(x=12,56\)
Vậy x = 12,56
\(c)x.\frac{1}{2}+\frac{3}{4}=1\)
\(x.\frac{1}{2}=1-\frac{3}{4}\)
\(x.\frac{1}{2}=\frac{1}{4}\)
\(x=\frac{1}{4}:\frac{1}{2}\)
\(x=\frac{1}{2}\)
Vậy \(x=\frac{1}{2}\)
\(d)\frac{2}{7}+\frac{5}{7}:x=5-\frac{1}{7}\)
\(\frac{2}{7}+\frac{5}{7}:x=\frac{34}{7}\)
\(\frac{5}{7}:x=\frac{34}{7}-\frac{2}{7}\)
\(\frac{5}{7}:x=\frac{32}{7}\)
\(x=\frac{5}{7}:\frac{32}{7}\)
\(x=\frac{5}{32}\)
Vậy \(x=\frac{5}{32}\)
e) x - 2448 : 24 = 102
x - 102 = 102
x = 102 + 102
x = 204
Vậy x = 204
2448:[119-(x-6)]=24
`2448:[119-(x-6)]=24`
`=>119-(x-6)= 2448 : 24`
`=>119-(x-6)= 102`
`=> x-6=119-102`
`=> x-6=17`
`=>x=17+6`
`=>x=23`
`2448:[119-(x-6)]=24`
`=>119-(x-6)= 2448 : 24`
`=>119-(x-6)= 102`
`=> x-6=119-102`
`=> x-6=17`
`=>x=17+6`
`=>x=23`
25* y-y =2448
2448:14=
và lời giải thích
2448:[119-(23-6)]
2448 : [119 - (23 - 6)]
= 2448 : [119 - 17]
= 2448 : 102
= 24
~Std well~
2448:[119-(23-6)]
=2448:[119-17]
=2448:102
=24
2448 : [ 119 - ( 23 - 6 )]
= 2448 : [ 119 - 17 ]
= 2448 : 102
= 24
2448 : {119- [X - 6] }=24
2448 : 24=102
119-102=17
17+6=23
x=23
2448:[119.(x-6)]=24
\(2448:\left[119.\left(x-6\right)\right]=24\)
\(119.\left(x-6\right)=2448:24=102\)
\(x-6=102:119\)
=> sai de
2448 - 5.x - 148= 2000
Trả lời
2448-5x-148=2000
2448-5x =2000+148
2448-5x =2148
5x =2448-2148
5x =300
x =300:5
x =60
Rất vui khi đc giúp bn !
2448 - 5.x - 148 = 2000
2448 - 5.x = 2000 + 148
2448 - 5.x = 2148
5.x = 2448 - 2148
5.x = 2300
x = 2300 ÷ 5
x = 460
Vậy,...
Cbht
2448- 5.x = 2000+ 148
2448- 5.x = 2148
5.x = 2448- 2148
5.x = 300
x = 300: 5
x = 60
2448:[119-(x-6)]=24
2448 : [ 119 - ( x - 6 )] = 24
119 - ( x - 6 ) = 2448 : 24
119 - ( x - 6 ) = 102
x - 6 = 119 - 102
x - 6 = 17
x = 17 + 6
x = 23
Mình chưa chắc đúng đâu bạn nhé!!!
\(2448:\left[119-\left(x-6\right)\right]=24\)
\(119-\left(x-6\right)=2448:24\)
\(119-\left(x-6\right)=102\)
\(x-6=119-102\)
\(x-6=17\)
\(x=17+6\)
\(x=23\)
\(2448:\left[119-\left(x-6\right)\right]=24\)
\(119-\left(x-6\right)=102\)
\(x-6=17\)
\(x=23\)