1.Oblicz: 101-102+103-104+105-106+107-105 2.Oblicz 9-{8-[7-(6-5)]}
1.Oblicz:
101-102+103-104+105-106+107-105
2.Oblicz
9-{8-[7-(6-5)]}
1. 101-102+103-104+105-106+107-105= -2+105-106+107-105 = 103-106+107-105= -3+107-105=104-105 = -1 2. 9-{8-[7-(6-5)]} = 9-[8-(7-1)] = 9-(8-6)= 9-2=7