October 2018 1 47 Report

1. Oblicz w pamięci i uzupełnij:

a) 2/3 masy 18 kg b) 3/4 kwoty 60 zł c) 4/5 objętości 20 l

to................... to................... to......................

2. Olicz:

a) 5/8 liczby 20 b) 2/3 liczby 3 3/4 c) 1 1/3 liczby 2 7/8

3.

a. 4 5/9+2 1/3+4 1/2=

b. 5 1/7*1 4/9-6:4 2/3=

c. 3 1/2*(2 1/3-1 1/2:6)=

d. 5 2/9-1 1/6

---------------------- =

3 2/3*(1 1/4-1/2)

DAM NAJ


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