September 2018 2 15 Report

Zad.1

Oblicz sprytnie:

a) 15-(-11)-15-11

b)-10-7-(-7)-18

c) - 5/9+2/3+5/9-5/6-2/3

d)-2/7+3/8-1/2+2/7-1/4+1/2

Zad.9

Oblicz(postaraj sie liczyc w pamięci)

a)(-0,350)*2

b)2,5*(-2)

c)(-4)*(-3/4)

d)3/5*(-1/3)

e)(-1)3(potegi)*(-0,9)

f)(-0,1)*(10)2(potęgi)

g)-2 2 (potęgi):(-2)

h)(-2)3(potegi):4


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