10. Реши уравнения 18/30-х=4/30+6/30 (13/67+6/67)-x=9/67 10/15+(5/15-х)=14/15 Дам 17 баллов. Created by inkarsusakova. matematika-ru

Ответ:1) 18/30-х=4/30+6/30 2) (13/67+6/67)-x=9/67 2) 10/15+(5/15-х)=14/15 Пошаговое объяснение:1) 18/30-х=4/30+6/302)(13/67+6/67)-x=9/673) 10/15+(5/15-х)=14/15

15 Дам 17 баллов...

inkarsusakova @inkarsusakova

July 2022 1 11 Report

10. Реши уравнения

18/30-х=4/30+6/30
(13/67+6/67)-x=9/67
10/15+(5/15-х)=14/15

Дам 17 баллов

Answers & Comments

pushpull

Verified answer

Ответ:

1) 18/30-х=4/30+6/30 $\displaystyle \boldsymbol {x=\frac{4}{15} }$

2) (13/67+6/67)-x=9/67 $\displaystyle \boldsymbol{x=\frac{10}{67} }$

2) 10/15+(5/15-х)=14/15 $\displaystyle \boldsymbol {x= \frac{1}{15} }$

Пошаговое объяснение:

18/30-х=4/30+6/30

$\displaystyle \frac{18}{30} -x=\frac{4}{30} +\frac{6}{30} \\\\\\x = \frac{18}{30} -\frac{4}{30} -\frac{6}{30} \\\\\\x=\frac{18-4-6}{30} \\\\\\\boldsymbol {x=\frac{4}{15} }$

(13/67+6/67)-x=9/67

$\displaystyle \bigg(\frac{13}{67} +\frac{6}{67} \bigg)-x = \frac{9}{67} \\\\\\\frac{19}{67} -x=\frac{9}{67}\\\\\\x=\frac{19}{67} -\frac{9}{67} \\\\\\\boldsymbol{x=\frac{10}{67} }$

10/15+(5/15-х)=14/15

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