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472×2.23 47.2×0.77怎样简便计算?
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472x2.23+47.2x0.77
=472x2.23+472x0.077
=472x(2.23+0.077)
=472x2.307
=1088.904
=472x2.23+472x0.077
=472x(2.23+0.077)
=472x2.307
=1088.904
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472×2.23+47.2×0.77
=472×2.23+472×0.077
=472×(2.23+0.077)
=472×2.307
=1088.904
=472×2.23+472×0.077
=472×(2.23+0.077)
=472×2.307
=1088.904
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展开全部
472×2.23+47.2×0.77
=472×2.23+472×0.077
=472×(2.23+0.077)
=472×2.307
=1088.904
=472×2.23+472×0.077
=472×(2.23+0.077)
=472×2.307
=1088.904
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你好,472x2. 23+47.2x0.77=42.7×10x2.23+47.2×0.77
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472x2.23十47.2X0.77
=472X2.23十472X7.7
=472X(2.23十7.7)
=472x9.93
=4686.96
=472X2.23十472X7.7
=472X(2.23十7.7)
=472x9.93
=4686.96
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