12.7-3.6-5.4简便方法计算
=12.7-(3.6+5.4)
=12.7-9
=3.7
=12.7-9
=3.7
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第1个回答 2018-04-26
12.7-3.6-5.4
=12.7-(3.6+5.4)
=12.7-9
=3.7
-------------------------------本回答被提问者采纳
=12.7-(3.6+5.4)
=12.7-9
=3.7
-------------------------------本回答被提问者采纳
第2个回答 2018-04-26
red