Question

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Реши уравнение:
19,1:1 1/4=t:0,25

Answer 1

$\displaystyle \frac{19,1}{1\frac{1}{4} }=\frac{t}{0,25}\\\\ \\ \frac{\frac{190}{10} }{\frac{5}{4} }=\frac{t}{\frac{1}{4} } \\\\ \\ \frac{382}{25}=4t \\\\ 4t=\frac{382}{25}\\\\ t=\frac{191}{50}=3\frac{41}{50}=3,82$

Answer 2

1×4+1=5

19,1/ 5/4

5÷4=1,25

19,1÷1,25=15,28

15,28×0,25=3,82

ответ: 3,82