Question

Calculati (a-b)^2013 pentru a=[1/2+(3 din 1/2-2 din 1/4)•8/3]:23/6 si b=(2 din 1/4+3 din 1/2-2/5•10/26):22/4

Answer 1

a=[1/2+(3/2-1/2)*8/3]*6/23
a=(1/2+8/3)*6/23
a=19/6*6/23
a=19/23
b=(1/2+3/2-2/13):22/4
b=24/13*4/22
b=48/143
(a-b)la put 2013=   se inlocuieste