Răspuns :
primul cu
[tex] \frac{2}{15} [/tex]
al doilea cu
[tex] \frac{20}{21} [/tex]
al treilea cu
[tex] \frac{10}{63} [/tex]
a 4a cu
[tex] \frac{15}{24} [/tex]
#copaceiibrainly
Răspuns:
1/5×2/3= 2/15
4/7×5/3= 20/21
5/9×2/7= 10/63
5×3/4= 15/4
2/5×3= 6/5
4/3× 1/4= 4/12=2/6=1/3
5/2×4/5= 20/10 =2