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56.7x23.4-567x1.26-108x4.67怎么用简便方法计算

题目详情
56.7x23.4-567x1.26-108x4.67怎么用简便方法计算
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答案和解析
56.7x23.4-567x1.26-108x4.67 =56.7×23.4-56.7×10×1.26-108×4.67 =56.7×(23.4-12.6)-108×4.67 =56.7×10.8-10.8×10×4.67 =(56.7-10×4.67)×10.8 =10×10.8 =108