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`48/10 = 24/5=4,8`
`213/10=213:10=21,3`
`3/1000=3:1000=0,003`
`25/1000 = 25:1000=0,025`
`647/100=647:100=6,47`
`982/100=982:100=9,82`
`385/10000=385:10000=0,0385`
`982/1000=0,982`
a, \(\dfrac{48}{10}\)=4,8 ; b, \(\dfrac{213}{10}\)=2,13 ; c, \(\dfrac{3}{1000}\)=0,003 ; d,\(\dfrac{25}{1000}\)=0,025 ; e,\(\dfrac{647}{100}\)=6,47; f,\(\dfrac{982}{100}\)=9,82 ; g,\(\dfrac{385}{10000}\)=0,0385 ;h,\(\dfrac{982}{1000}\)=0,0982
![](https://rs.olm.vn/images/avt/0.png?1311)
15/10 = 1,5
24/100 = 0,24
147/1000 = 0,147
25/1000 = 0,025
47/10 = 4,7
149/10000 = 0,0149
15/10 : 1,5
24/100 : 0,24
147/1000 : 0,147
25/1000 : 0,025
47/10 : 4,7
149/10000 : 0,0149
![](https://rs.olm.vn/images/avt/0.png?1311)
Ta có :
\(\frac{15}{10}=1,5\)
\(\frac{24}{100}=2,4\)
\(\frac{147}{1000}=0,147\)
\(\frac{25}{1000}=0,025\)
\(\frac{47}{10}=4,7\)
\(\frac{149}{10000}=0,0149\)
15/10 = 1,5; 24/100 = 0,24; 147/1000 = 0,147 ; 25/1000 = 0,025 ; 47/10 = 4,7 ; 149/10000 = 0,0149
![](https://rs.olm.vn/images/avt/0.png?1311)
\(8\frac{2}{10}\)= 8,2.
\(19\frac{25}{100}\)=19,25.
\(61\frac{9}{10}\)= 61,9.
\(2\frac{625}{1000}\)= 2,625.
\(5\frac{3}{100}\)= 5,03.
\(88\frac{207}{1000}\)= 88,207.
\(80\frac{5}{1000}\)= 80,005.
k nha
![](https://rs.olm.vn/images/avt/0.png?1311)
1 × 2 + 3 +4 +5 +6 × 10 × 10 :1000 ×25 = kết quả là 50 mong olm chấm điểm tốt cho con lên 1 gp
1000*25/10=2500
k nhe
1000 x 25 : 10
= 25000 : 10
= 2500
vậy 1000 x 25 : 10 = 2500