October 2018 1 61 Report

Oblicz:

a) 3/5 + 1/5 + 2/5

7/8 + 1/8 + 5/8

3/4 + 1/4 + 2/4

3/7 + 5/7 + 4/7

b) 1 1/4 + 2 3/4

3 5/6 + 2 1/6

4 1/10 + 3 7/10

2 4/5 + 5 4/5

c) 5/8 - 3/8

3/4 - 1/4

5/6 - 1/6

6/7 - 3/7

d) 1 4/5 - 3/5

2 1/6 - 1 5/6

2 1/4 - 1 3/4

4 1/8 - 2 7/8

PILNE!!!!!!!!!!!!!!!!!!!!!


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