有关072xy的精选大全

在,x+1,﹣2,,0.72xy,,中单项式的个数有(  )A.2个                     ...
问题详情:在,x+1,﹣2,,0.72xy,,中单项式的个数有()A.2个                      B.3个                      C.4个                      D.5个【回答】C【解析...
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