计算:(1)(?a2bc)2?(?c2)2÷(bca)4;(2)2aa2?4+12?a;(3)(1+3a?2)÷a+1a2?4
计算:(1)(?a2bc)2?(?c2)2÷(bca)4;(2)2aa2?4+12?a;(3)(1+3a?2)÷a+1a2?4....
计算:(1)(?a2bc)2?(?c2)2÷(bca)4;(2)2aa2?4+12?a;(3)(1+3a?2)÷a+1a2?4.
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