Автор - imanyukov305

( 18/25 - 7/20 )• 1/37 + 22/75 : 11/12​

Ответ

Автор - kaursn

Ответ:

0.33

Пошаговое объяснение:

( frac{18}{25}  -  frac{7}{20} ) times  frac{1}{37}  +  frac{22}{75}  div  frac{11}{12}

решаем по действиям :

1) frac{18}{25}  -  frac{7}{20} =  frac{18 times 4}{25 times 4}   -  frac{7 times 5}{20 times 5}  =  frac{72}{100}  -  frac{35}{100}  =

 =  frac{37}{100}  = 0.37

2) frac{22}{75}  div   frac{11}{12}  =  frac{22}{75}  times  frac{12}{11}  =  frac{22 times 12}{75 times 11}  =  frac{264}{825}  =

 =  frac{8 times 33}{25 times 33}  =  frac{8}{25}  = 0.32

3) frac{37}{100}  times  frac{1}{37}  =  frac{37 times 1}{100 times 37}  =  frac{37}{3700}  =  frac{1 times 37}{100 times 37}  =

 =  frac{1}{100}  = 0.1

4) frac{1}{100}  +  frac{8}{25}  =  frac{1 times 1}{100 times 1}   +  frac{8 times 4}{25 times 4}  =  frac{1}{100}  +  frac{32}{100}  =

 =  frac{1 + 32}{100}  =  frac{33}{100}  = 0.33

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