Question

1.Efectuati
a)-48:(+8):(-2)+(-48):[+8:(-2)]
b)-74:(+2)-3•[-2+4•(-3)
c)(800-160+120):(-19)-(-500):(+5)-(-80):(-16)-(-11):(+11)
d)(-333+33-3):(-3)+(+3)•(-3)-(-33)•(-3)+(-333)•(-3)
va rog frumos​

Answer 1

Răspuns:

Explicație pas cu pas:

a)-48:(+8):(-2)+(-48):[+8:(-2)]=--6:(-2)+(-48):[-4)]=-3+12=9

b)-74:(+2)-3•[-2+4•(-3)=-37-3*(-14)=-37+42=5

c)(800-160+120):(-19)-(-500):(+5)-(-80):(-16)-(-11):(+11)=760:(-19)+100-5+1=

=-40+96=56

d)(-333+33-3):(-3)+(+3)•(-3)-(-33)•(-3)+(-333)•(-3)=-303:3-9-11+999=-101+979=-878