Question

Obliczcie plis:
1.[11-(-2)^5*(1/2)^3]:5
2.(-1 1/3)^2+(-2 1/3)^2+(-1/3)^2

Answer 1

1. [11-(-2)^5*(1/2)^3]:5= [11+2^5*(1/8)]:5= (11+32*1/8):5= (11+4):5= 15:5= 3
2.(-1 1/3)^2+(-2 1/3)^2+(-1/3)^2= (-4/3)^2-(7/3)^2-1/9= 16/9+49/9+1/9= 66/9= 7,33