October 2018 1 37 Report

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=
e) -1,1+2,2+3,3-5,5+6,6 =
f)-3,7 + 2,85 +4,7 - 4,85=
g)1 i 1/4 - 0,5 - 3/7 - 0,25 + 1 i 1/2 =
h) -1/8-1/3 + 2,5 + 3 i 1/3 - ( - 0,125 )=


potrzebne na teraz ;) dajęęę naj ;D


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