Răspuns :
Răspuns:
[(X+3)x5-17]:3=60:10=6
(X+3)x5-17=6x3=18
(X+3)x5=18+17=35
X+3=35:5=7
X=7-3
X=4
[(X+3)×5-17]:3=60:10
[(X+3)×5-17]:3=6
(X+3)×5-17=6×3
(X+3)×5-17=18
(X+3)×5=18+17
(X+3)×5=35
X+3=35:5
X+3=7
X=7-3
X=4
S={4}
Răspuns:
[(X+3)x5-17]:3=60:10=6
(X+3)x5-17=6x3=18
(X+3)x5=18+17=35
X+3=35:5=7
X=7-3
X=4
[(X+3)×5-17]:3=60:10
[(X+3)×5-17]:3=6
(X+3)×5-17=6×3
(X+3)×5-17=18
(X+3)×5=18+17
(X+3)×5=35
X+3=35:5
X+3=7
X=7-3
X=4
S={4}