Автор - maksim5534

Нужно решение уравнений ( не сам ответ!!! )​

Ответ

Автор - SirWallon

Пошаговое объяснение:

3)

 frac{11}{18}  -  frac{14}{27}x =  frac{5}{12}

 frac{11}{18}  -  frac{5}{12}  =  frac{14}{27}x

 frac{22}{36}  -  frac{15}{36}  =  frac{14}{27}x

 frac{7}{36}  =  frac{14}{27} x

x =  frac{7}{36}  div  frac{14}{27}

x =  frac{7 times 27}{36 times 14}

x =  frac{3}{8}

x = 0.375

4)

2 frac{2}{11} x -  frac{5}{16}  = 1 frac{3}{4}

2 frac{2}{11}x = 1 frac{3}{4} +  frac{5}{16}

2 frac{2}{11} x = 1 frac{12}{16}  +  frac{5}{16}

2 frac{2}{11}x = 2 frac{1}{16}

x =  frac{33}{16} div  frac{24}{11}

x =  frac{121}{128}

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