Odpowiedź :
Odpowiedź:
1.
2x + 1 = 1
2x = 0
x = 0
2.
x/2 - 1 = 1
x/2 = 2 /*2
x = 4
3.
2x - 1 = x
2x - x = 1
x = 1
sum = 0 + 4 + 1 = 5
odp. D) 5
Odpowiedź:
1.
2x + 1 = 1
2x = 0
x = 0
2.
x/2 - 1 = 1
x/2 = 2 /*2
x = 4
3.
2x - 1 = x
2x - x = 1
x = 1
sum = 0 + 4 + 1 = 5
odp. D) 5