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[(100-yx10):10+5]x10=10x10

Răspuns :

[(100-yx10):10+5]x10=10x10

[(100-yx10):10+5]x10=100

(100-yx10):10+5=100:10

(100-yx10):10+5=10

(100-yx10):10=10-5

(100-yx10):10=5

100-yx10=5x10

100-yx10=50

yx10=100-50

yx10=50

y=50:10

y=5


[(100-yx10):10+5]x10=100
(100-yx10):10+5=100:10
(100-yx10):10+5=10
(100-yx10):10=10-5
(100-yx10):10=5
100-yx10=5x10
100-yx10=50
yx10=100-50
yx10=50
y=50:10
y=5