Ex in poza cine ma ajuta dau coroana!
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Răspuns:
Explicație pas cu pas:
se considera ca produsul mezilor=produsul extremelor
a=2/6/3=4
b=28x5/10=14
c=4x9/2=18
d=5x24/12=5x2=10
Răspuns:
2/3=a/6=>3a=12=>a=12:3=>a=4
b/5=28/10=>10b=140=>b=140:10=>b=14
4/c=2/9=>2c=36=>c=36:2=>c=18
12/5=24/d=>12d=120=>d=120:12=>d=10