同类项则2=n
m=1
所以m+n=3
若负三分之二a二次方b的m次方与4的n次方b是同类项,则m+n=?
若负三分之二a二次方b的m次方与4的n次方b是同类项,则m+n=?
数学人气:511 ℃时间:2020-04-12 21:24:05
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