用简便方法技术37.2*5.4+6.28*54
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用简便方法技术37.2*5.4+6.28*54
用简便方法技术37.2*5.4+6.28*54
用简便方法技术37.2*5.4+6.28*54
37.2*5.4+6.28*54
=37.2*5.4+62.8*5.4
=(37.2+62.8)*5.4
=100*5.4
=540
用简便方法技术37.2*5.4+6.28*54
用简便方法技术37.2*5.4+6.28*54
用简便方法技术37.2*5.4+6.28*54
37.2*5.4+6.28*54
=37.2*5.4+62.8*5.4
=(37.2+62.8)*5.4
=100*5.4
=540