用简便方法计算.4.56×0.27+4.56×0.63+0.456
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用简便方法计算.4.56×0.27+4.56×0.63+0.456用简便方法计算.4.56×0.27+4.56×0.63+0.456用简便方法计算.4.56×0.27+4.56×0.63+0.4564
用简便方法计算.4.56×0.27+4.56×0.63+0.456
用简便方法计算.4.56×0.27+4.56×0.63+0.456
用简便方法计算.4.56×0.27+4.56×0.63+0.456
4.56×（0.27+0.63+0.1）
＝4.56×1
＝4.56