由条件知道A=-1 B=±4
6A^2-2A^2B+3AB=6-2B-3B=6-5B
当B=4 式子=6-20=-14 B=-4 式子=6+20=26
A是大于-1 2\3的负整数,B是绝对值为4的有理数、求6A^2-2A^2B+3AB的值
A是大于-1 2\3的负整数,B是绝对值为4的有理数、求6A^2-2A^2B+3AB的值
数学人气:161 ℃时间:2020-01-29 05:36:54
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