Решите уравнение 6 1/12 - k =12 5/12. Created by ueds23. matematika-ru

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$6\frac{1}{12}-k= 12\frac{5}{12}
$
$\frac{73}{12}- \frac{k}{1}= \frac{149}{12}$
$73-12k=149$
$-12k=76$
$k=76:(-12)$
$k=- \frac{76}{12}= -\frac{19}{3}=-6 \frac{1}{3}$

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love67 можно же проще)))

love67 не обязательно переводить в неправильную дробь)))

love67

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$6 \frac{1}{12} -k=12 \frac{5}{12} 
$

- $k=12 \frac{5}{12} -6 \frac{1}{12}$

$k=-6 \frac{4}{12} =-6 \frac{1}{3}$

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