Niech ktoś pomoże ! a)5 2\7 +1 3\7 -1\7= b)4 5\9 -2 4\9 +3 2\9= c)2 2\3 -(1 4\9 +2 3\9=

1 answer:

5 0

A) 6 4/7

B) 5 3/9

C) 6 6/3

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