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Aaaa11111Alexandra
a fost răspuns

11 - (7 x 5 - 9 x 9 : f : 3) : 8 =7
va rog repedeeeee

Răspuns :

Lenutaboicu
11 - ( 7 x 5 - 9 x 9 : f : 3 ) : 8 = 7
( 7 x 5 - 9 x 9 : f : 3 ) : 8 = 11 - 7 = 4
7 x 5 - 9 x 9 : f : 3 = 4 x 8 = 32
35- 81 : f : 3 = 32
81 : f : 3 = 35 - 32 = 3
81 : f = 3 x 3 = 9
81 : f = 9
f = 81 : 9
f = 9