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Vreau raspunsurile la ex 3 va rog

Vreau Raspunsurile La Ex 3 Va Rog class=

Răspuns :

EmmaVedict
a) 15/7•1/18= 5/7•1/6=5/42
b) 1/9•3/10= 1/3•1/10=1/30
c) 4/5•9/8= 1/5•9/2=9/10
d) 7/8•2/31= 7/4•1/31=7/124
e) 9/43•5/21= 3/43•5/7=15/301
f) 7/45•15/28= 1/3•1/4=1/12
g) 7/23•11/9= 77/207
h) 1/14•49/26= 1/2•7/26=7/52

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