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2supra5×9supra16×32supra27

Răspuns :

2/5 x 9/16 x 32/27 =
simplific 2 si 16 prin2
9/40 x 32 /27= 
simplific 9 si 27 prin 9 , simplific 32 si40 prin 8
1/5 x 4/3 = 4/15