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TL:
\(\frac{12}{100}\)= 0,12
\(\frac{5}{100}\)= 0,05
\(\frac{306}{1000}\)= 0,306
-HT-
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Bài 1:
5,9 ; 82,45 ; 810,225
Bài 2:
1/10 ; 2/100 ; 4/1000 ; 95/1000
dễ mà bạn
bài 1
5,9;82,45;810,225
bai 2
0,1=1/10 0,02=2/100 0,004=4/1000 0,095=95/1000
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\(3\frac{7}{10}=\frac{37}{10}=3.7\)
\(5\frac{63}{100}=\frac{563}{100}=5.63\)
\(12\frac{378}{1000}=\frac{6189}{500}=12.378\)
\(3\frac{7}{10}=\frac{37}{10}\)
\(5\frac{63}{1000}=\frac{5063}{1000}\)
\(12\frac{378}{1000}=\frac{6189}{500}\)
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\(5\frac{9}{10}=\frac{59}{10}\)đọc là : Năm mươi chín phần mười.
\(82\frac{45}{100}=\frac{8245}{100}\)đọc là : Tám nghìn hai trăm bốn mươi lăm.
\(810\frac{225}{1000}=\frac{810225}{1000}\)đọc là : Tám trăm mười nghìn hai trăm hai mươi lăm.
5 9/10 = 59/10 ; 82 45/100 = 8245/100 ; 810 225/1000 = 810225/1000
nhớ
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TL :
a) 8,2
b) 36,23
c) 54,07
d) 12,254
Chúc bn hok tốt ~
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\(\frac{18}{10}=1\frac{4}{5}\)
\(\frac{21}{8}=2\frac{5}{8}\)
\(\frac{100}{9}=11\frac{1}{9}\)
\(\frac{81}{10}=8\frac{1}{10}\)
\(\frac{16}{5}=3\frac{1}{5}\)
\(\frac{18}{10}=1\frac{8}{10}\) \(\frac{21}{8}=2\frac{5}{8}\)
\(\frac{100}{9}=11\frac{1}{9}\) \(\frac{81}{10}=8\frac{1}{10}\)
\(\frac{16}{5}=3\frac{1}{5}\)
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a,
\(3\frac{28}{32}=3+\frac{28}{32}=3+\frac{7}{8}=3+0,875=3,875\)
\(7\frac{15}{75}=7+\frac{15}{75}=7+\frac{1}{5}=7+0,2=7,2\)
b,
\(\frac{37}{8}=\frac{8+8+8+8+5}{8}=\frac{8\times4+5}{8}=\frac{8\times4}{8}+\frac{5}{8}=4+\frac{5}{8}=4\frac{5}{8}\)
\(\frac{149}{25}=\frac{100+25+24}{25}=\frac{100}{25}+\frac{25}{25}+\frac{24}{25}=4+1+\frac{24}{25}=5+\frac{24}{25}=5\frac{24}{25}\)
\(\frac{257}{41}=\frac{246+11}{41}=\frac{246}{41}+\frac{11}{41}=6+\frac{11}{41}=6\frac{11}{41}\)
435/10=43,5 704/1000=0,704
2769/100=27/69 1326/10000=0,1326