Răspuns:
intregul -*,fractia-/
1
a)2*5/9 ; 13*7/9 ;125*8/9 ; 29/99 ; 4*37/99;125*106/999
b)25/90 ;4*59/90 ; 8*214/900 ; 16*1421/9900 ;5*15/90
2
a)1*3/9+5*15/90=1+4*30+15/90=5*45/90=5*1/2
3
a)4*7/9 ; 29/99 ; 1*25/999 ; 11*8/9 ; 31/999
b)8*25/90 ; 3*11/90 ; 115/900 ; 9*301/900
4
a)2*4/9+3*11/90=2+3*40+11/90=5*51/90=5*17/30
b)25/99+3*41/90=3*701/990
5
a)23,45:100=0,2345
b)67,5:10=6,75
c)nu inteleg ce scrie(scrie in comentarii si iti raspund
