Question

calcule o valor das expressões 2-3²+ (2-3)+(2-3)°

Answer 1

2- 9 + (-1) +(-1)°resolve as potencias e parenteses primeiro
2-9-1+1=-7

Answer 2

Oie, Td Bom?!

$= 2 - 3 {}^{2} + (2 - 3) + (2 - 3) {}^{0}$

$= 2 - 9 + ( - 1) + 1$

$= 2 - 9$

$= - 7$

Att. Makaveli1996