October 2018 2 12 Report

Bardzo proszę o pomoc :

1. Wykonaj działania:

a) 3 i 5/9 + 2 i 1/6 =

b) 5/9 - 2/7 =

c) 2 i 1/3 - 3/4 =

d) 8/15 + 11/20 + 3/10 =

e) 7 i 5/6 - (1 i 2/3 + 4 i 7/9) =

2. Wykonaj działania:

a) 3 i 3/4 + 2 i 1/6 =

b) 5/7 - 1/9 =

c) 2 i 1/2 - 2/3 =

d) 2/3 + 4/5 + 5/6 =

e) 9 i 1/8 - ( 2 i 1/2 + 3 i 5/6) =


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