October 2018 2 19 Report

68.Oblicz:

a)-7 4/9 - 2 1/6

d)-3,12 - 6,1

h)4 5/6 - 8,2

69. Oblicz:

a)-5,65+(-2,08)-1,35

b)6,51+(-2,775)-11,125

c)-10/9 + (-1/6)+9 3/4 - (-6,25)

74.Sprawdź, czy zachodzą równości.

a)|5-3|= |3-5|

b)-|3-5|= -3+5


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