Question

11. Calculati:
a) 2-3+2-4=
b) (-2)-2+(-2)-3=
c) 3*5'+4*52+(-5)° =
d)( 2 supra 3)-² - ( 4 supra 9)-¹​

Answer 1

Răspuns:

a) 2-3+2-4= -1-2= -3

b) (-2)-2+(-2)-3= +2-2-3= -3

c) 3•5+4•52+(-5)= 3•5+4•47= 15+4•47= 15+188= 203

d) (2)‐²(4)‐¹

_ – _ =

3 9