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a fost răspuns

b=(3/4+1/2)•4/25
c=1/2•3/4+(1/2)²•1/2

Răspuns :

Andrei4LIFE

b= (3/4+1/2(amplificat cu 2) ) ● 4/25

(3/4 +2/4) ● 4/25

5/4● 4/25

20/100(simplifici cu 20)

1/5

c= 1/2● 3/4 +2/4●1/2

3/8+2_8

5/8

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