![](https://rs.olm.vn/images/avt/0.png?1311)
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
TL
52/10 = 5,2
912/100 =9,12
836/10 = 83,6
2006/100=20,06
HT~~~
![](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)
\(\dfrac{15}{10}=1,5;\dfrac{35}{100}=0,35;\dfrac{107}{100}=1,07\)
\(\dfrac{22109}{1000}=22,109;\dfrac{14}{5}=\dfrac{28}{10}=2,8;\dfrac{920}{1000}=0,92\)
\(\dfrac{138}{100}=1,38;\dfrac{2007}{10}=200,7;\dfrac{1}{1000}=0,001\)
![](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)
![](https://rs.olm.vn/images/avt/0.png?1311)
1.
12,34 + 12,66 = 25 12,66 + 12,34 = 25 56,07 + 0,09 = 56,16
15,82 + 34,52 = 50,34 21,78 + 23,98 = 45,76 52,39 + 4,09 = 56,48
2.
5/10 = 0,5 9/10 = 0,9 64/100 = 0,64 8/100 = 0,08 725/1000 = 0,725
152/10 = 152,10 836/10 = 83,6 912/100 = 9,12 2006/100 = 20,06 81/100 = 0,81
![](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)
5/100 = 0,05 ; 84/10 = 8,4 ; 225/100 = 2,25 ; 6453/1000 = 6,453
19/10 = 1\(\dfrac{9}{10}\) ; 3623/100 =36 \(\dfrac{23}{100}\) ; 12254/1000 =12 \(\dfrac{254}{1000}\)
Tick mik nhé
5,2 ; 83,6 ; 9,12 ; 20,06
5,2; 83,6; 9,12; 20,06
chúc bạn học tốt