Question

e urgent plsss !!!! A) (12/25:4/5):9/35 B) 12/25:(4/5:935) D)(11/12:13/18):22/33 E) (19/45:7/30):19/21 E URGENT DE UARECE MAINE AM MATEMATICA..!​

Answer 1

Răspuns:

A) [12/25 × 5/4] : 9/35 = 3/5 : 9/35 = 3/5 × 35/9 = 7/3

B) 12/25 : ( 4/5 × 35/9) = 12/25 : 28/9 = 12/25 × 9/28 = 3/25 × 9/4 = 27/ 100 (nu stiu daca e bine)

D) (11/12 × 18/13) : 22/33 = 22/33 : 33/26 = 22/33 × 26/33 = 572/33

E) asta nu stiu cum vine:)))