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Calculati:
17 supra 41 + 8 supra 41=
11 supra 25+3 supra 50=
7 supra 12+5 supra 18=
va rog


Răspuns :

a)
17/41+8/41= 25/41

b)
11/25 + 3/50=
=> 22/50 + 3/50 =
=> 25/50 =
=> 1/2
C)
7/12 + 5/18 =
=> 21/36 + 10/36 =
=> 31/36