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Oblicz. ( matematyka 2001, kl.6, podrecznik str. 16. zad. 10 i 12.)

a) 3/4 * 2/3 : 1/2 =

b) 2/3 : 4/5 * 2/5 =

c) 1 i 1/2 : (3/4 * 2 ) =

d) 2 i 2/3 : (1 i 2/3 : 5)=

Oblicz, pamiętając o kolejności wykonywania działań.

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

b) 2 i 1/5 : 11/20 + 3/4 : 1 i 1/2 =

c) 4 i 1/5 : 5/6 - 1 i 1/5 * 1 i 2/3 =


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