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5 - [] : 6 = 3
traktujemy to jak rownanie
-[] : 6 = 3 - 5
mnozymy obie strony przez 6
-[] = -2 * 6
-[] = -12
[] = 12
b)
(9 - []) * 4 = 16
(9 - []) = 16/4
9 - [] = 4
-[] = 4 - 9
-[] = -5
[] = 5
5 - [] : 6 = 3
traktujemy to jak rownanie
-[] : 6 = 3 - 5
mnozymy obie strony przez 6
-[] = -2 * 6
-[] = -12
[] = 12
b)
(9 - []) * 4 = 16
(9 - []) = 16/4
9 - [] = 4
-[] = 4 - 9
-[] = -5
[] = 5