October 2018 2 27 Report

Oblicz:

a) -2 1/5 + 3,3

b) 1 5/6-3 1/3

c) 4,3 - 7,5

d) -4,5 - 2 1/4

e)-3 1/6-(-5 5/6)

f) 7 1/3+(-4 5/6)

g) -5 4/7 + 7

h) 1,23-9

i)-6-(-4 5/9)

2.Obliczsprytnie

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

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

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

Bardzo proszę o pomoc oczywiście dam NAJ !


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