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EduardZ
a fost răspuns

Sa aflam suna si diferenta lor !!!!
x=1 1 supra 6
Y= 3 supra 4 !!!!

x=4,2
y=2 1 supra 5
DAU COROANA !! VA ROG URGENT !!!!

Răspuns :

Vivi
11/6+3/4=4·11+6·3/24=44+18/44=62/24=31/12
11/6-3/4=4·11-3·4/24=44-18/24=26/24=13/12


4, 2+21/5=42/10+21/5=42+2·21/10=42+42/ 10=84/10=8, 4
4, 2-21/5=42/10-21/5=42-2·21/10=42-42/ 10=0/10=0

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