Odpowiedź :
x + 4 = 5 + 4 = 9
2x + 6 = 2 * 2 + 6 = 4 + 6 = 10
x - 5 = 12 - 5 = 7
5x + 4 = 5 * 1 + 4 = 5 + 4 = 9
Odpowiedź:
x + 4 x = 5
5 + 4 = 9
2x + 6 x = 2
2 * 2 + 6 = 10
x - 5 x = 12
12 - 5 = 7
5x + 4 x = 1
5 * 1 + 4 = 9
x + 4 = 5 + 4 = 9
2x + 6 = 2 * 2 + 6 = 4 + 6 = 10
x - 5 = 12 - 5 = 7
5x + 4 = 5 * 1 + 4 = 5 + 4 = 9
Odpowiedź:
x + 4 x = 5
5 + 4 = 9
2x + 6 x = 2
2 * 2 + 6 = 10
x - 5 x = 12
12 - 5 = 7
5x + 4 x = 1
5 * 1 + 4 = 9