5.6×23+56×7.

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5.6×23+56×7.5.6×23+56×7.5.6×23+56×7.5.6×23+56×7.7=5.6×23+5.6×77=5.6×(23+77)=5.6×100=560

5.6×23+56×7.
5.6×23+56×7.

5.6×23+56×7.
5.6×23+56×7.7
=5.6×23+5.6×77
=5.6×(23+77)
=5.6×100
=560