(-56)×(-32)+(-44)×32

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(-56)×(-32)+(-44)×32

56*32-44*32=(56-44)*32=12*32

32*(56-44)=384

(-56)×(-32)+(-44)×32
=1792-(-1408)
=1792+1408
=3200

负负得正,负正得负
56x32-44x32
=(56-44)x32
=12x32
=384