Автор - fulpip

решите уравнение (7/18 + 5/24z) : 3 2/3 = 1/3

Ответ

Автор - kristalikLove

( frac{7}{18}   +  frac{5}{24} z) div 3  frac{2}{3}  =  frac{1}{3}
ноз (18, 24)=72
( frac{28}{72}  +  frac{15}{72} z) div  frac{11}{3}  =  frac{1}{3}

 frac{43}{72}  div  frac{11}{3}z  =  frac{1}{3}

 frac{43}{72}  times  frac{3}{11} z =  frac{1}{3}

 frac{43}{264} z =  frac{1}{3}

z =  frac{1}{3 }  div  frac{43}{264}

z =  frac{1}{3}  times  frac{264}{43}

z =  frac{88}{43}

z=1 2/43

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