有關yx3i0x的精選大全

如果(2x-y)+(x+3)i=0(x,y∈R)則x+y的值是                     (  ...
問題詳情:如果(2x-y)+(x+3)i=0(x,y∈R)則x+y的值是                     (   )【回答】D知識點:數系的擴充與複數的引入題型:選擇題...
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