Giúp em vs các acj ơi

Đáp án:

$a)$

$\text{ $\dfrac{1}{10}$ = 0,1}$

$\text{ $\dfrac{1}{100}$ = 0,01}$

$\text{ $\dfrac{4}{1000}$ = 0,004}$

$b)$

$\text{ $\dfrac{27}{10}$ = 2,7}$

$\text{ $\dfrac{125}{100}$ = 1,25}$

$\text{ $\dfrac{5428}{1000}$ = 5,428}$

$c)$

$\text{ 1$\dfrac{1}{10}$ = $\dfrac{11}{10}$ = 1,1}$

$\text{ 2$\dfrac{15}{100}$ = $\dfrac{215}{100}$ = $\dfrac{43}{20}$ = 2,15}$

$\text{ 10$\dfrac{112}{1000}$ = $\dfrac{10112}{1000}$ = $\dfrac{1264}{125}$ = 10,112}$

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