Question

mă puteți ajuta va rog frumos​

Answer 1

a)0.3=3/10

0.8=8/10

0.02=2/100

1,1=11/10

(3/10*8/10-2/100):11/10=(24/100-2/100)*10/11=22/100*10/11=2/10=1/5

b)0.2(6)=26-2/90=24/90

0.4=4/10

24/90:4/10+1/2=24/90*10/4+1/2=6/9+1/2=2/3+1/2=4/6+2/6=6/6=1