September 2018 1 280 Report

Paweł wymyślił inny sposob odejmowania ulamkow . Jego kartkowa : Pawel M. 2 2/7- 6/7 = 2 2/7 - 2/7 - 4/7 = 2 -4/7 = 1 3/7

8 2/9 - 3 7/9 = 5 2/9 - 7 / 9 = 5 2/9 -2/9 - 5/9 = 5 - 5/9 = 4 4/9

Przyjrzyj sie zapiskom Pawla i oblicz jego sposobem różnice : a ) 4 1/9 - 7/9

b ) 5 3/10 - 9/10

c ) 3 1/4 - 1 3/4

d ) 5 3/8 - 1 5/8

BŁAGAM !


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