Odpowiedź:
a) 8a + 9 = 8 × (-2) = -16
b) 5t - z - 1 = 5 × 0,1 - 5 - 1 = 0,5 - 6 = -5,5
c) 5x - y = 5 × 0,2 + 1 = 2
d) + n - 7 + 3 - n - 9 - n + 16 = 4 - n = 4 × (-)^2 + = 1,5
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Odpowiedź:
a) 8a + 9 = 8 × (-2) = -16
b) 5t - z - 1 = 5 × 0,1 - 5 - 1 = 0,5 - 6 = -5,5
c) 5x - y = 5 × 0,2 + 1 = 2
d) + n - 7 + 3 - n - 9 - n + 16 = 4 - n = 4 × (-)^2 + = 1,5