September 2018 1 12 Report

Działania na ułamkach .Oblicz

a) 3/4 +4/5 +5/6=

b) 1 i 5/12+2 i 5/18 +3 i 5/8 =

c) 1/4 + 7 i 11/12 + 1 i 3/16 =


d) 2 i 7/12 + 3 i 11/18 + 1 i 13/21=


e) 3 i 2/15 - 2 i 7/9 =
f) 5 i 2/7 - 1 i 11/21 - 2 i 16/35 =


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