ćwiczenie4 str 16 Oblicz.
b)27/4-8/3-19/6
d)20/9+17/12-7/8
b)
27/4-8/3-19/6=81/12-32/12/38/12=81/12-70/12=11/12
d)
20/9+17/12-7/8=160/72+102/72-63/72=262/72-63/72=199/72=2 55/72
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b)
27/4-8/3-19/6=81/12-32/12/38/12=81/12-70/12=11/12
d)
20/9+17/12-7/8=160/72+102/72-63/72=262/72-63/72=199/72=2 55/72