47x199+47的简便运算

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47x99+47用简便方法计算

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47x19+47x82-47的简便计算

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47x49+47 如何简便运算

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47x98+94简便计算

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49x49+49的简便计算

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47x26+94x37的简便运算

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47/99x97用简便方法计算

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49x57+175x49-49x32简便计算

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47x98十94的简便计算

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47x199+47的简便运算

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47x99+47用简便方法计算

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47x19+47x82-47的简便计算

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47x49+47 如何简便运算

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47x98+94简便计算

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49x49+49的简便计算

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47x26+94x37的简便运算

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47/99x97用简便方法计算

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49x57+175x49-49x32简便计算

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47x98十94的简便计算

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