Question

Срочно! Помогите с алгеброй. 8 класс

Answer 1

$8^0- frac{8^{-7}*8^3}{8^{-5}}=1-8^{-7+3-(-5)}=1-8^1=1-8=-7 \ \ \ ( sqrt{27}+ sqrt{24} )* sqrt{3}-6 sqrt{2} = ( 3sqrt{3}+ 2sqrt{6} )* sqrt{3}-6 sqrt{2} = \ =9+2 sqrt{18}-6 sqrt{2}=9+6 sqrt{2}-6 sqrt{2}= 9$