第1个回答 2013-01-03
(7/12-3/8)×24-5/9
=(7/12 ×24)-(3/8 ×24)-5/9
=14-9-5/9
=5-5/9
=45/9-5/9
=40/9
=(7/12 ×24)-(3/8 ×24)-5/9
=14-9-5/9
=5-5/9
=45/9-5/9
=40/9
第2个回答 2013-01-03
(7/12-3/8)*24-5/9
=14-9-5/9
=5-5/9
=4又4/9本回答被提问者采纳
=14-9-5/9
=5-5/9
=4又4/9本回答被提问者采纳
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