Пошаговое объяснение:
27/56×56/45=3/1×1/5=3/5
3/8×24=3/8×24/1=3/1×3/1=9
6 6/7×3/8=48/7×3/8=6/7×3/1=18/7=
=2 4/7
5 1/7×1 27/8=36/7×35/8=9/1×5/2=
=45/2=22 1/2
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Пошаговое объяснение:
27/56×56/45=3/1×1/5=3/5
3/8×24=3/8×24/1=3/1×3/1=9
6 6/7×3/8=48/7×3/8=6/7×3/1=18/7=
=2 4/7
5 1/7×1 27/8=36/7×35/8=9/1×5/2=
=45/2=22 1/2