查看完整版本 : 求解答求高手指點迷津

stevenlai0619 2017-3-6 11:44 PM

求解答求高手指點迷津

求解答求高手指點迷津

killya 2017-3-7 10:05 PM

=(5/4) / ab - 1/ab = (1/4) / ab = 1/4ab

killya 2017-3-7 10:09 PM

=5b/4ab2 - 4b/4ab2
=b /4ab2 = 1/4ab
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查看完整版本: 求解答求高手指點迷津