Răspuns :
2,045 × 10 =
= 20,45
= 2045/100
= 409/20
1,(2) =
= (12 - 1)/9
= 11/9
1,1(2) =
= (112 - 11)
= 101/90
= 20,45
= 2045/100
= 409/20
1,(2) =
= (12 - 1)/9
= 11/9
1,1(2) =
= (112 - 11)
= 101/90
2,045 x10=
2045/1000 x10= 2045/100=simplific cu 5= 409/20
1,(2)= 1intreg 2/9=(9x1+2)/9=11/9
1,1(2)= 1intreg(12-1)/90= 1intreg 11/90= (90x1+11)/90= 101/90
2045/1000 x10= 2045/100=simplific cu 5= 409/20
1,(2)= 1intreg 2/9=(9x1+2)/9=11/9
1,1(2)= 1intreg(12-1)/90= 1intreg 11/90= (90x1+11)/90= 101/90