5乘-i可以等于-5i么?5乘-i可以等于-5i么?
1个回答
复数的运算,实数与虚数的乘法,这都是可以的,实部和实部相乘,虚部和虚部相乘,注意正负号.
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i wish i were a girl.可以换成i was么,为社么
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i wish i were a girl.可以换成i was么,为社么 ,社么时候用was啊
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可以说I was very cross么