Question

Me ajuda
1)Calcule as expressões

Answer 1

a)

(2/3)²+(25/5)²-(23+5⁰)².30
4/9+5²-(23+1)².30
4/9+25-(23+1)².30
4/9+25-24².30
4/9+25-17280  (mmc)
(4+225-155520)/9
-155291/9

b)

{[6³/6+5¹⁰/5⁹+(20-6)²].1000}
{[6²+5+24²].1000}
{[36+5+576].1000}
617.1000
617000