Question

(5,75-43/7)*14/11-25/12/(-2.28+0.53) зависит от моей четвертной оценки

Answer 1

$(5,75- \frac{43}{7})* \frac{14}{11}- \frac{25}{12} :(-2,28+0,53)$ = $\frac{29}{42}$

1)$5\frac{75}{100} - \frac{43}{7} = \frac{575}{100} - \frac{43}{7} = \frac{23}{4} - \frac{43}{7} = \frac{161-172}{28} =- \frac{11}{28}$

2) $- \frac{11}{28} * \frac{14}{11} =- \frac{1}{2}$

3) $-2,28+0,53=-1,75$

4) $\frac{25}{12} :(-1 \frac{75}{100} )= \frac{25}{12} :(-1 \frac{3}{4})= \frac{25}{12} *(- \frac{4}{7} )=- \frac{25}{21}$

5) $- \frac{1}{2} -(- \frac{25}{21} )=- \frac{1}{2}+ \frac{25}{21} = \frac{-21+50}{42}= \frac{29}{42}$