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Nistornadia26
a fost răspuns

f) 11-(7x5-9x9:f:3): 8 = 7





DAU COROANA​

Răspuns :

Dianageorgiana794

Răspuns:

11-(7x5-9x9:f:3): 8 = 7

(35-81:f:3):8=11-7

35-81:f:3=4×8

81:f:3=35-32

f:3=81:3

f=27:3

f=9

Iakabcristina2
11 - (35 - 27 : f) : 8 = 7
(35 - 27 : f) : 8 = 11 - 7
(35 - 27 : f) : 8 = 4
35 - 27 : f = 8 • 4
35 - 27 : f = 32
27 : f = 35 - 32
27 : f = 3
f = 27 : 3
f = 9