(2a*2b*3-8a*4b)/(2a*2b-ab*2)
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(2a*2b*3-8a*4b)/(2a*2b-ab*2)(2a*2b*3-8a*4b)/(2a*2b-ab*2)(2a*2b*3-8a*4b)/(2a*2b-ab*2)原式=(4ab-32ab)/(4
(2a*2b*3-8a*4b)/(2a*2b-ab*2)
(2a*2b*3-8a*4b)/(2a*2b-ab*2)
(2a*2b*3-8a*4b)/(2a*2b-ab*2)
原式=(4ab-32ab)/(4ab-2ab)
=(-28ab)/2ab
=14
(12ab-32ab)/2ab = -10
答案 -10
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