M-(n+m-p)=m-n-m+p=p-n
Значит ответ б)
Сказки, это форма одного и тогоже слова
5x + 2y + (3y-x)i = 3 - i
Приравняем действительные и мнимые части уравнения
![\displaystyle \left \{ {{5x+2y=3} \atop {3y-x=-1}} \right.~~~\Rightarrow~~~+\left \{ {{5x+2y=3} \atop {15y-5x=-5}} \right.\\ \\ 17y=-2\\ \\ y=-\dfrac{2}{17}\\ \\ x=3y+1=3\cdot \left(-\dfrac{2}{17}\right)+1=\dfrac{11}{17}](https://tex.z-dn.net/?f=%5Cdisplaystyle%20%5Cleft%20%5C%7B%20%7B%7B5x%2B2y%3D3%7D%20%5Catop%20%7B3y-x%3D-1%7D%7D%20%5Cright.~~~%5CRightarrow~~~%2B%5Cleft%20%5C%7B%20%7B%7B5x%2B2y%3D3%7D%20%5Catop%20%7B15y-5x%3D-5%7D%7D%20%5Cright.%5C%5C%20%5C%5C%2017y%3D-2%5C%5C%20%5C%5C%20y%3D-%5Cdfrac%7B2%7D%7B17%7D%5C%5C%20%5C%5C%20x%3D3y%2B1%3D3%5Ccdot%20%5Cleft%28-%5Cdfrac%7B2%7D%7B17%7D%5Cright%29%2B1%3D%5Cdfrac%7B11%7D%7B17%7D)
Ответ: (11/17; -2/17)
Сокращаются 16 и 4 на 4 в числителе останется 4;
при делении степеней с одинаковыми основаниями их показатели вычитаются:
а^8:а⁴=а⁴
b^6:b³=b³
16а^8b^6/(4a^4b³)=4a⁴b³
^- знак степени
1) My parnts know so much because they have already travelled a lot.
2) We haven't seen George since last year.
3) I haven't seen this film yet.
4)Alice has just met her friend.
6) The kids have just played in the yard
5) I have never spoken to our teacher.
7) We haven't decided to help him yet.
8) I haven't seen my family for a long time.
9) Have you ever ridden the scooter.
10) Sara has never been snorkelling. She is so inactive!