Question

1.pierwiastek z 1 7/9+9+(3/4)do -1 : (-2/3) do 3=


2.-3+5:(-5)=

Answer 1

1. 1 7/9+9+(3/4)^{-1} : (-2/3)^{3}+=10 7/9+4/3:(- 8/27)=
10 7/9 + 4/3*(-27/8)= 10 7/9-4/3=10 7/9-1 3/9=9 4/9
2. -3+5:(-5)=-3+(-1)=-4