Question

a) 5,5 x 0,(45)=
b) 4,5 x 0,(06)=
c)0,24 x 1,(6)=

Answer 1

a)5,5x0,(45)
5,5=55/10=11/2
0,(45)=45/90=1/45
11/2x1/45=11/90
b)4,5x0,(06)
4,5=45/10=9/2
0,(06)=6/90=1/15
9/2x1/15=9/30=3/10
c)0,24x1,(6)
0,24=24/100=6/25
1,(6)=1x6/9=1x2/3=5/3
6/25x5/3=30/75=6/15=2/5
(sperca tiam fost de ajutor)