Question

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Bai 2. chuyen cac so thap phan thanh phan so thap phan

0,5    0,4   0,04   0,92   0,004   0,075   0,192   0,508

Answer 1

\(TL:\)

\(0,5=\frac{5}{10};0,4=\frac{4}{10};0,04=\frac{4}{100};0,92=\frac{92}{100};\)

\(0,004=\frac{4}{1000};0,075=\frac{75}{1000};0,192=\frac{192}{1000};0,508=\frac{508}{1000}\)

Answer 2

\(0,5=\frac{1}{2}\)

\(0,4=\frac{2}{5}\)

\(0,04=\frac{1}{25}\)

\(0,92=\frac{23}{25}\)

\(0,004=\frac{1}{250}\)

\(0,075=\frac{3}{40}\)

\(0,192=\frac{24}{125}\)

\(0,508=\frac{127}{250}\)

Answer 3

\(0,5=\frac{5}{10}\);\(0,4=\frac{4}{10};0,04=\frac{4}{100};0,92=\frac{92}{100}:0,004=\frac{4}{1000};0,075=\frac{75}{1000};0,192=\frac{192}{1000};0,508=\frac{508}{1000}\)

Answer 4

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