Question

7) Calcule: a)-52 +1 -740= b) (-8)2 - 2 - (-1) = c) ( 1- 2,5)2 = d) 32 +3-2 =

Answer 1

Resposta:

a)-52+1-740= b) (-8)2-2-(-1)=

-792+1= -8×2-2+1 =

-791 16-1=

c)(1-2,5)2 = 15

-1,5×2= d)32+3-2=

3 35-2=

33