Question

QUAL O VALOR NUMERICO DA EXPRESSAO :(-4/5)².(-5/4)+(-2/3)²

Answer 1

Explicação passo-a-passo:

( -4/5)² .( - 5/4) + ( - 2/3)²=

( + 16/25) . ( -5/4) + ( +4/9)=

( - 80/100) + ( 4/9)=

( -8/10) + 4/9=

- 4/5 + 4/9=

- 36 + 20

_______=

45

- 16/45