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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
24/10=2,4
225/100=2,25
6453/1000=6,453
25789/10000=2,5789
![](https://rs.olm.vn/images/avt/0.png?1311)
a: 1/10=0,1
1/100=0,01
1/1000=0,001
1/10000=0,0001
b: 8/10=0,8
225/100=2,25
6453/1000=6,453
25789/10000=2,5789
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
a) \(\dfrac{1}{10}=0,1\)
\(\dfrac{1}{100}=0,01\)
\(\dfrac{1}{1000}=0,001\)
\(\dfrac{1}{10000}=0,0001\)
b) \(\dfrac{84}{10}=8,4\)
\(\dfrac{225}{100}=2,25\)
\(\dfrac{6453}{100}=64,53\)
\(\dfrac{25789}{10000}=2,5789\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a,
0,1 0,01 0,001 0,0001
8,4 2,25 6,453 2,5789
b,
1,9 2,66 3,07 4,999
8,2 36,23 54,09 12,254
![](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)
84/10=8,4 225/100=2,25 6453/1000=6,453 25789/10000=2,5789
0.0303
0, 303 nha