计算：（6a²-8a+11b³)-(11a²+2b³)
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计算：（6a²-8a+11b³)-(11a²+2b³)计算：（6a²-8a+11b³)-(11a²+2b³)计算：（6a
计算：（6a²-8a+11b³)-(11a²+2b³)
计算：（6a²-8a+11b³)-(11a²+2b³)
计算：（6a²-8a+11b³)-(11a²+2b³)
（6a²-8a+11b³)-(11a²+2b³)
=6a²-8a+11b³-11a²-2b³
=-5a²-8a+9b³