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Calculeaza:a)2/5÷16/25

Răspuns :

2 / 5 : 16 / 25 =

= 2 / 5 x 25 / 16

= 5 / 8

2/5 : 16/25 = 2/5 x 25/16 = 1/1 x 5/8 = 5/8