Odpowiedź :
Odpowiedź:
(1/2 -2/5) * 6 i 2/3 = (5/10 - 4/10) * 6 i 2/3 = 1/10 * 20/3 = 2/3
4 * 3 i 1/8 - (2 i 1/2)² = 4 * 25/8 - (5/2)² = 100/8 - 25/4 = 100/8 - 50/8 = 50/8 = 6 i 2/8 = 6 i 1/4
Odpowiedź:
(1/2 -2/5) * 6 i 2/3 = (5/10 - 4/10) * 6 i 2/3 = 1/10 * 20/3 = 2/3
4 * 3 i 1/8 - (2 i 1/2)² = 4 * 25/8 - (5/2)² = 100/8 - 25/4 = 100/8 - 50/8 = 50/8 = 6 i 2/8 = 6 i 1/4