Verified answer

2⁻²= 1/4= 0,25

5⁰=1

0,5⁻²= 2²= 4

(-2)⁻²= 0,25

(2/3)⁻²= 9/4= 2,25

(0,25+1)/(4-5*0,25+2,25) + 4,75= (1,25)/5 +4,75= 0,25+ 4,75= 5

1) 2 ^(-2) + 5⁰ = 0.25 + 1 = 1.25

2) 0.5 ^(-2) - 5× (-2)^-2 + (2/3)^-2 = 4 -1.25+2.25= 5

3) 1.25/5 = 0.25

4) 0.25+4.75 = 5

Ответ : 5