Question

calculati; a) 1-5supra4; b) (-2)-(-4supra3); c) (-1)-(+2); d)2-(-3supra2) e) 4supra5-(-1); f) 3supra5-(+2).​

Answer 1

Răspuns:

a) 1-5/4=-1/4

b) (-2)-(-4/3)=-2+4/3=-2/3

c) (-1)-(+2)=-1-2=-3

d)2-(-3/2)=2+3/2=7/2

e)5/4-(-1)=5/4+1=9/4

f)3/5-(+2)=3/5-2=-7/5