化简:3a×4b-2a×4b/2-3a×b/2
问题描述:
化简:3a×4b-2a×4b/2-3a×b/2
答
3a×4b-2a×4b/2-3a×b/2
=12ab-4ab-1.5ab
=8ab-1.5ab
=6.5ab
答
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答
3a×4b-2a×4b/2-3a×b/2
=12ab+4ab-1.5ab
=16ab-1.5ab
=14.5ab