(-56)乘（-32）+（-44）乘32 - 知识问答

(-56)乘（-32）+（-44）乘32

3个回答

(-56)乘（-32）+（-44）乘32
=+负的1408
=384
(-56)乘（-32）=1792
（-44）乘32=-1408
负负相乘得正负正相乘得负
明白了?

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