Номер 5 и 6 ------------------------ 8 Класс
Вот ещё по 100 балов.ТОлько легче )) https://znanija.com/task/24743755
и ещё 100 балов https://znanija.com/task/24742540
5. 6. а) .....=17-16=1 б) .....=√(1600-576)=√1024=32 в) ....=4*10+28√10 +49+4*10 - 28√10 +49=178 г) ....=(√21-√3+√21+√3)(√21-√3 - √21-√3)=2√21 * (-2√3)= - 4√7*√3*√3= - 12√7
![.....=( \sqrt[16]{7})^{16}=7^{ \frac{16}{16} }=7 \\ \\ ......= \frac{7^{ \frac{4}{2}} }{2^{ \frac{4}{2}} } = \frac{7^{2}}{2^{2}}= \frac{49}{4} \\ \\ ........=2^{ \frac{4}{2}}*5^{ \frac{4}{2}} =2^{2}*5^{2}=4*25=100](https://tex.z-dn.net/?f=+.....%3D%28+%5Csqrt%5B16%5D%7B7%7D%29%5E%7B16%7D%3D7%5E%7B+%5Cfrac%7B16%7D%7B16%7D++%7D%3D7+%5C%5C++%5C%5C+......%3D+%5Cfrac%7B7%5E%7B+%5Cfrac%7B4%7D%7B2%7D%7D+%7D%7B2%5E%7B+%5Cfrac%7B4%7D%7B2%7D%7D+%7D+%3D+%5Cfrac%7B7%5E%7B2%7D%7D%7B2%5E%7B2%7D%7D%3D+%5Cfrac%7B49%7D%7B4%7D++%5C%5C++%5C%5C++........%3D2%5E%7B+%5Cfrac%7B4%7D%7B2%7D%7D%2A5%5E%7B+%5Cfrac%7B4%7D%7B2%7D%7D++%3D2%5E%7B2%7D%2A5%5E%7B2%7D%3D4%2A25%3D100 ".....=( \sqrt[16]{7})^{16}=7^{ \frac{16}{16} }=7 \\ \\ ......= \frac{7^{ \frac{4}{2}} }{2^{ \frac{4}{2}} } = \frac{7^{2}}{2^{2}}= \frac{49}{4} \\ \\ ........=2^{ \frac{4}{2}}*5^{ \frac{4}{2}} =2^{2}*5^{2}=4*25=100")