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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
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
a) \(\dfrac{1}{10}=0,1\)
\(\dfrac{1}{100}=0,01\)
\(\dfrac{1}{1000}=0,001\)
\(\dfrac{1}{10000}=0,0001\)
b) \(\dfrac{84}{10}=8,4\)
\(\dfrac{225}{100}=2,25\)
\(\dfrac{6453}{100}=64,53\)
\(\dfrac{25789}{10000}=2,5789\)
\(\frac{37}{10}+\frac{21}{100}+\frac{249}{10}+\frac{5684}{1000}+\frac{317}{1000}=3,7+0,21+24,9+5,684+0,317=34,811\)
\(\frac{93}{100}=93\%\); \(\frac{72}{10}=\frac{720}{100}=720\%\); \(\frac{853}{1000}=\frac{85,3}{100}=85,3\%\); \(\frac{7}{8}=\frac{56}{1000}=\frac{5,6}{100}=5,6\%\)
\(\dfrac{1}{10}=0.1\)
\(\dfrac{1}{100}=0.01\)
\(\dfrac{1}{1000}=0.001\)
\(\dfrac{1}{10000}=0.0001\)
\(\dfrac{15}{10}=1,5;\dfrac{35}{100}=0,35;\dfrac{107}{100}=1,07\)
\(\dfrac{22109}{1000}=22,109;\dfrac{14}{5}=\dfrac{28}{10}=2,8;\dfrac{920}{1000}=0,92\)
\(\dfrac{138}{100}=1,38;\dfrac{2007}{10}=200,7;\dfrac{1}{1000}=0,001\)
1,5
0,35
1,007
22,109
2,8
0,92
1,38
200,7
0,001
`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
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