September 2018 1 20 Report

1oblicz(skracając,jesli to możliwe):

a )przykład 3/4*5/6=

3 skrucic na 1 6 na 2

8/5*7/12=

4/9*7/10=

b) 5/6*9/10=

4/7*21/24=

3/8*14/15=

c)1 1/2* 2 1/4= 4/3*9/4=

4 na 1 3 na 1 9 na 3 4 na 1

2 1/2*1 1/5=

3 1/5 * 1 5/6=

dziękuje za odpowiedzi


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