5.4+4.5+4.6+155.5怎么简算

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5.4+4.5+4.6+155.5怎么简算5.4+4.5+4.6+155.5怎么简算5.4+4.5+4.6+155.5怎么简算5.4+4.5+4.6+155.5=5.4+4.6+155.5+4.5=1

5.4+4.5+4.6+155.5怎么简算
5.4+4.5+4.6+155.5怎么简算

5.4+4.5+4.6+155.5怎么简算
5.4+4.5+4.6+155.5
=5.4+4.6+155.5+4.5
=10+160
=170