Odpowiedzi

2010-03-02T19:16:51+01:00
B) 15,2-[-(-10i 3/4)] = 15,2-10,75 = 4,45
D) -(-39 i 2/5)- 57 = 39,4-57 = -17,6
F ) -[-(-20 i 3/8)] - ( - 50) = -20,375+50 = 30,375
H) -63 i 2/3+[-(-300)] = -63²/₃+300= 236¹/₃