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Lời giải:
$5,24\times 0,43+2,62\times 0,62+0,39\times 5,24$
$=5,24\times 0,43+5,24\times 0,31+0,39\times 5,24$
$=5,24\times (0,43+0,31+0,39)=5,24\times 1,13=5,9212$
![](https://rs.olm.vn/images/avt/0.png?1311)
5 tấn 24 kg < 5,24 tấn
\(2m^2>2000cm^2\)
\(6m^22dm^2< 6\frac{2}{10}m^2\)
#Y/n
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
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21,6 - X x 3 = 5,24 + 4,76
21,6 - X x 3 = 10
X x 3 = 21,6 - 10
X x 3 = 11,6
X = 11,6 : 3
X = 58/15
\(21,6-x\times3=5,24+4,76\)
\(21,6-x\times3=10\)
\(x\times3=21,6-10\)
\(x\times3=11,6\)
\(x=11,6:3\)
\(x=\dfrac{58}{15}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
y × 3 + 3,76 + y + y × 5 = 12,5
y × (3 + 1 + 5) = 12,5 - 3,76
y × 9 = 8,74
y = 8,74 : 9
y = 437/450
y \(\times\) 3 + 3,76 + y + y \(\times\) 5,24 = 12,5
y \(\times\) ( 3 + 1 + 5,24) + 3,76 = 12,5
y \(\times\) 9,24 + 3,76 = 12,5
y \(\times\) 9,24 = 12,5 - 3,76
y \(\times\) 9,24 = 8,74
y = 8,74 : 9,25
y = 0,944
![](https://rs.olm.vn/images/avt/0.png?1311)
4,76 x 5 + 5,24 x5
=(4,76 + 5,24 ) x 5
=10 x 5
= 50
k nha ban
năn nỉ đóviet dep trai
![](https://rs.olm.vn/images/avt/0.png?1311)
7,54 + 117,6 : 28
=7,54+4,2
=11,74
7,425 : 4,5 - 7,08 × 0,16
1,65-1,1328
=0,5172
x : 0,5 + x : 0,125 = 5,24
x : \(\frac{1}{2}\)+x : \(\frac{1}{8}\)=5,24
x.2+x.8 =5,24
x(2+8)= 5,24
x.10= 5,24
x= 5,24:10
x=0,524
TK MIK NHA~~~~~~~~```
7,54 + 117,6 : 28
= 7,54 : 4,2
= 1,795.....
7,425 : 4,5 - 7,08 × 0,1
= 1,65 - 0,708
= 0,942
x : 0,5 + x : 0,125 = 5,24
x × 2 + x × 8 = 5,24
x × (2+8) = 5,24
x × 10 = 5,24
x = 5,24 : 10
x = 0,524
5,24:2x10
=2,62x10
=26,2
Hok tốt!
@Kaito Kid
5,24 : 2 *10
=2,62*10
=26,2
chúc bạn hok tốt nha !