Question

Calculati: poza o aveti mai in sus
va rog repededau coroana

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Answer 1

Răspuns:

Bună, sper ca te am ajutat!!

Answer 2

Răspuns:

(7/9+17/10-1/18) =

(70/90+153/90- 5/90 ) 

-(13/27-1/18+7/9)

-(26/54+3/54-42/54)  

9/90+6/90+10/90

=> (70/90+153/90- 5/90 ) -(13/27-1/18+7/9) +(9/90+6/90+10/90)

218/90-65/54+25/90

243/90-65/54