5.6+2.7+4.5的简便计算

5.6+2.7+4.5的简便计算

5.6+2.7+4.5的简便计算

5.6+2.7+4.5
=5.6+4.5+2.7
=5.6+4.4+0.1+2.7
=10+2.8=12.8
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第1个回答  2018-05-22
5.5+0.1+2.7+4.5
=5.5+4.5+0.1+2.7
=10+2.8
=12.8
第2个回答  2020-04-27
5.6+2.7+4.5=5+0.6+3-0.3+4+0.5=12+0.3+0.5=12.8
第3个回答  2018-05-22
5.6+2.7+4.4+0.1
第4个回答  2020-04-06

请问5.6+2.7+4.5的简便方法到底怎么算,如果知道请告诉我谢谢!