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a)
b)
c)
d)
zadanie 2
a)
b)
c)
d)
b) 2 * 4/5 = 8/5
c) 4 * 11/18 = 44/18 = 22/9 = 2 4/9
d) 25 * 2/15 = skracamy = 5 * 2/3 = 10/3 = 3 1/3
a) 8 * 5/12 = skracamy = 2 * 5/3 = 10/3 = 3 1/3
b) 10 * 8/15 = skracamy = 2 * 8/3 = 16/3 = 5 1/3
c) 3/4 * 56 = skracamy = 3/1 * 14 = 42/1 = 42
d) 5/42 * 28 = skracamy = 5/3 * 2 = 10/3 = 3 1/3