Question

Calculati:a)0, (3) ×0,1 (6) b)0,25×4 supra 5 c)0, (13)×10 supra 39 d)1,2 (9)×10 supra 3

Answer 1

0,(3)=3/9=1/3
1/3*0.1=1,3/3
0,25*4/5=1/5=0,20
0,(13)=13/99
13/99*10/39=10/297
1,2(9)=1intreg 29-2/90=1 intreg 27/90=1 intreg 3/10=13/10
13/10*10/3=13/3