oblicz.
-7/3*(-27/28)=189/84=2,25=2 1/4
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7/2-19/6:(-19/9)=7/2-19/6*(-9/19)=7/2+9/6=21/6+9/6=30/6=5
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(-8/7*35/24)*5/3=- 280/168*5/3=-1400/504=-2 392/504= - 2 98/126=-2 49/63=
=-2 7/9
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-7/3*(-27/28)=189/84=2,25=2 1/4
=============================
7/2-19/6:(-19/9)=7/2-19/6*(-9/19)=7/2+9/6=21/6+9/6=30/6=5
============================
(-8/7*35/24)*5/3=- 280/168*5/3=-1400/504=-2 392/504= - 2 98/126=-2 49/63=
=-2 7/9
licze na naj