如果单项式与是同类项,则m、n的值为( )
A.m="-1" , n=2.5 | B.m="1" , n=1.5 | C.m="2" , n=1 | D.m="-2," n="-1" |
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如果单项式与是同类项,则m、n的值为( )
A.m="-1" , n=2.5 | B.m="1" , n=1.5 | C.m="2" , n=1 | D.m="-2," n="-1" |
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