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a fost răspuns

Simplificări prin 3 reactiile:3supra 21; 12supra15; 27supra6; 39 supra 72; 66supra99; 36 supra 96 nu ma prea descurc va rog ajutatima!!

Răspuns :

Slavitescudora
3/21=1/7
12/15=4/5
27/6=9/2
39/72=13/24
66/99=22/33
36/96=12/32
3/21(:3)=1/7
12/15(:3)=4/5
27/6(:3)=9/2
39/72(:3)=13/24
66/99(:3)=22/33
36/96(:3)=12/32
12/32(:4)=3/8

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